I really enjoy watching your videos... you do an AWESOME job all the way around. After I graduated electronics school in the late 80's I started repairing car audio for an Alpine dealer and amplifiers have always been my favorite . I think this amplifier is a beast...especially for $100 but now I couldn't find anything around that price it had more than DOUBLED! I looked hard for a deal because I was just wanting to play around with it as I have tons of name brand amps. I finally bought the same amp on an Amazon deal (DEC 7, 2022) for $106 but it is sold as a "Facmogu 3000W Max Power Class D Mono Channel Subwoofer Amplifier". It has the same case with the 6800 watt and 8808.1D logo but no brand is on the amp or the box it came in. The paper manual is also the same . I checked the guts and it is exactly the same as in your video even with the AudioPipe wiring except some of the caps are now Zhuohao brand...not familiar with that brand. I powered it up but haven't got to test it out good yet...but SOON! Thanks for making these videos and I will continue to follow your channel awaiting the next amp review.
Wld not recommend running like that for extended periods time and expect it to hold up And then like most start calling it a P.O.S. lol You know how ppl are ✌🏽
@@noelleonard2498 True but you're missing the point it's $99 and held up under the punishment of the DYNO that's impressive You should give credit where credit is due 👍🏽
@@redman4076 I don't think you'd see half this power daily no one listens to music at full tilt all day, and taking box rise into account you can wire an amp down pretty low for daily listening and competitions. Granted I only know about what Brazilian amplifiers can do on a budget. But I had a sundown SFB1k pop on me after just turning on my car, yeah I hit a 142 db musically and 143 on a burp. It was my daily for almost a month. But I think old school here has had his for about a year. And the amp is made in China.
To find a quality amp, the THD and Noise should have at least three zeros to the right of the decimal point and the signal to noise ratio should be 100 or better.... anything under that is getting closer to the trash Zone
I've been running this amp on 4 500w subwoofers @ 1ohm for about 8 months with no issues. Clean deep bass with gain under half way. Thing is, I believe I got the last one of eBay...they have been out of stock every since.
And how did you run for off of a monoblock this is just coming from a novice I'd like to know myself interesting I guess you ran them parallel or change them I don't know like to know though
@@josephward6577 4 4ohm speakers ran in parallel which is all positives together and all negatives together. 4 divided by 4=1. In series 4 times 4 =16ohms. 2 4ohm speakers in series (8ohm) wired in parallel to 2 more 4ohm speakers also in series (8ohm which is 1 negative to the positive of the other speaker and using the remaining pos on that speaker and the remaining neg on the other for main connection) would create a 4ohm load with 4 speakers. Hope this helped.
@@jamlzak2536 Shaaazaaaammmm! Ty JZ Absolutely that's plain and even I can understand that! I've been second guessing,to much! TMI to take in and remember!! Thanks again!! I've been on some forum sites asking,& all I got was a tongue lashing,& pretty much told off for it!
@@josephward6577 Still always check with an ohmmeter if available. Although a speaker says 4 or 8 ohms, that's not the actual load it presents to the amp. A 4 ohm speaker may read 3,2 ohms on the meter and at the amp. A calculated 1 ohm load may actually be around .7... Some amps can still handle that but it'll have to be a 1 ohm stable amp
You'll see that those sections, after being populated by the pick-n-place machine and soldered in the oven, are then placed as verticle daughter cards on the amp. They do this to keep induction low by keeping all the signal components closer together. This is typically so they can get away with the cheaper standard 1oz copper layer rather than having to jump to much more expensive heavier weight copper layer, which would be needed if all the parts were laid out over a larger PCB area. Crazy power !
You spend a good amount of time on capacitor, inductors, and wires... but I heard no mention of transistors or Pics, you know, the things that actually amplify. Sometimes, cutouts are needed to cut down on noise (ground loops), here they've used that fr-4 as baby boards for the reasons stated above.
For the 2 broken off portions.. you can see that there is 2 other small boards placed vertically on the main board... these 2 smaller boards would likely have been printed out of the main board.. and then made it so they could easily be snapped off and re-positioned during production.
@@nefariouspreludev2.046 Peavey is one of the saddest stories in the music industry. At one time (back in the early 90s) we had over 100 black widows loaded in our boxes.
I used to work for a high voltage research and development company, we used to use that same spacing technique with a optical isolator chip to keep noise out of certain parts of the board, and just to save on future issues on high voltage creepage, we would space the board out
Well, well, well what we have here? $99 amp getting it done. Very impressed, for sure. May have to get one and see how long it'll last on two 500wrms subs. Definitely seems like a good daily banger. Another great video my man. 😎👍
I think you should include a watt per dollar category in your videos for all those new amps that you test 😁😁 so its easyer to see whitch is most cost effective,...just a suggestion 🙋
A buck a watt is only valid for a sound quality amp.. at least itis I.M.H.O....( thinkin bout those 90's Vintage - Alpine/Fosgate/Orion/PPI/ the list goes WAAAY on lol) Class D amps are efficient, cheap power that i would use for subs that need GOBBS of power on a budget ... Class A or A/B amps i use for my Tweeters, and my upper midrange.. Lower midrange and subs can be ran with class d amps... Sub bass needs 20x the power for humans to be even cause of our hearing efficiency.. Now these are ONLY MY preferences... I need to have my highs and mids ran with A or A/B power .... It can be NO other way... LMFAO... If you cant hear the difference between Any of these things anyway. WELL then EFFF it man.. Lol Crank it .. Pffft
I bought one of these widi 8808.1D amps thanks to your tutorial. I must say I'm impressed. I paid a hundred bucks on eBay and the amount of bass it produces I had to buy another one
@@mrfkyobitch6282 u talking about a rz1-2500d? If so your crqzy I have 3 of em and they are good but even at 1 ohm they only put out 750-900watts rms. Don't get me wrong I love this little amp hence why I have 3 but the amp in the video is alot more powerful
You can see the board he removed. It is a vertical component mount. At 10:51 The initial flyover shows both segments. One is at the upper right of the PCB, likely the input pre-amp section from the location. The other stares you in the face at the above noted timestamp. Vertical PCB sub-assembly mounts conserve main PCB "real estate", and are also useful if the original circuit gets 'massaged' after it initial release without the needed space to implement it and not wanting to perform an entire new layout. They look the same size as the missing pieces you referenced. Easier pick and place and a simple breakout once the PCB gets to the customer for final assembly. Many of these get their thru hole parts put on by hand since the count is not very high and the labor is not very costly.
Excellent review, Back on fleab for $112 and Amaz for $233 wow Honestly this budget amp kicks lots of name brand amps you know what. They adv a remote bass knob but is Not. Again Excellent Review on this amp. Even at 1ohm beats namebrands that cant handle the loads. Wow wow wow .
a c note for rated at 2 ohms/clip is still decent. and it gets close enough for that price. even if the finish quality is.. rough. i'd rank it a flea market king though.
Vintage fosgate power is on point for real. I had 2 turtle shell punch power 200x2's trans Anna running 4 - 12's. Also had some vintage alpine anps running my mids and highs.. Man I miss that system..I had a hifi alpine head unit too... It sounded fn excellent..
Shop: Williston Audio Merch: teespring.com/stores/bigdwiz WUDI 8808.1D - ebay.to/3xShO45 (back in stock 8/16/21) Alternative Link for WUDI 8808.1D - ebay.to/2YOyxGl Down4Sound JP23 Amp: lddy.no/uaas Taramps Smart 3 Amplifier: amzn.to/3nWQYDP SMD AMM-1 Audio Multimeter: amzn.to/2WRc5eD CT Sounds CT-2000.1D Amplifier: amzn.to/3rBY0jq NVX VAD2700 Amplifier: amzn.to/34Q3Rb3 Elac Speakers: amzn.to/3mR0WWF Savard Hi-Q Subwoofers: amzn.to/2ZPdgNx Shop Car Amplifiers on Amazon: amzn.to/37zs8Uz SMD / D'Amore Engineering Amp Dyno: goo.gl/sJTcf7 XS Power D1400 Batteries - amzn.to/2BPFCKW XS Power PSC60 Charger - amzn.to/2CHGcfs Fluke 1000A AC/DC Clamp Meter: amzn.to/2Rw5WDA Handheld Dyno: amzn.to/2u2EgKV My Favorite Screwdriver Kit: amzn.to/2x0VzcE DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases
I don't really see why that would matter. In a Hifi amp running on AC it would show how much power the power supply can store but here with DC it should be the same at 40 Hz in my world.
@@christopherparis6841 just curious how different brands perform at lower frequencies. I know theyll all reproduce those frequencies but i want to see which ones really push the lows amd which ones push less at the lower frequencies.
@@Jackmerius_Tacktheretrix emf audio takes a flat volume test track and feeds amps many tones at each their single frequency each at equal zero db difference and the amp output graphed on an osilicscope measuring for equal output on all recorded tracks any who might be best to check his vid yourself. Emf audio. The zero db test tone disc is key not a download or file saved device a purpose made cd. Humans hear to 20 Hz so I think he tested tramps then said its consistent to full bridge mono amps because in theory the full bridge is basically the same as two class ab amps strapped as one it actually changes a fkn ton reasons a pure d class is made the full bridge is not so foolproof as vibration or impact can be an issue fire in rare cases lol. Watch Orion vs sundown amp Dyno or 3 k amp shoot out it's very clear Orion takes the cake the light n the others missed the damn show lol. Price power build and Soo much more fkn hits 14 k rms or very close. My guy down the road bought one he's smoked around 15 ok r 20 subs lol. Vfl comp godfather signatures are taking a first time knob spinning turning up when he pulls out kinda kid n I know too well it's only a matter of time their 5 k rms per sub dual one subs .25 load amp doesn't even know I mean there's 3 0ga power ins and 3 0ga grounds Dyno pulled 1000 amps reset a fluke amp clamp at 13.8 at .5 ohm it's the smallest hcca amp Orion offers lol fkn unreal at one ohm on amp fkers one of the tippy top in no distortion for an sq build I'll not buy any other amp even the xtr series is like 3 x it's rated lol
Anyone wanting to know about this amp guts looking like Audiopipe, here is the cross reference into the Audiopipe that is the same as this Wudi : Audiopipe APEL-1200.1
@E Dud interesting, thanks for the comment. I have wondered if the more the more budget friendly D' Amore amplifiers were using cheaper parts & materials... Figured they had to be considering they are priced as low as the $200 range. I had been looking at one of the D' Amore 4 channel amps think it was like $230 or right around that price. (I don't remember the exact price but you can find the on the D' amore site) Idk if I should pass on it & look for a better 4 channel, just curious about the quality of a D' Amore amp priced in the $200 range brand new. 🤔
@@itdoesntmatterwhatyourname6128 Yep I think im going to buy a couple of them anyway because you know Tony had to have done his homework when picking out all the internals he doesnt want anything coming back🤣I bet he did alot of testing I was sold when Steve Meade put the 350.2 and the 750.1 on the dyno they did outrageous numbers👍
Just an update. Had this installed basic 4ohm load for over a year. This thing has taken all the abuse. Set gains with a scope so it's been loud and clean driving a single 10 in my truck. Every time people hear it they say no way that is just a 10... So far it's lasted longer then my old school Kenwood monoblock.. very happy I found this guy on YT.. what should I upgrade to next
Dawn you have to be the very first person to watch to get one of these amps that are a good value it seems like 5min after video played there gone and you will never find them again. 👍✌️👌 Big d sales amps by the ton if they were to give him 1percent of every sell he would be a multi million.
this amp is a repairmans dream come true if you know what to look for. the audio output generation circuit is isolated by optocouplers from the actual drivers and final stage hence damage never goes further than the optocouplers! in my experience its the closest ive seen to modularity in an amp build. this board design is quite generic and generally makes 1500w @1ohm. there are weak spots tho and could and should be beefed up before use. if anybody has Perrys guide, its generic class D type 4
@@FreeStyle786 this one has some good glue on the transformer winds to minimize vibration. also the board is screwed down the middle which helps a ton in the long run. both the driver card will need supports tho. other than that looks like the amp will do well in the long run
Just reliving some old dyno’s. A lot of people don’t know this but I am fluent in Cantonese and Mandarin Chinese. I know what that certificate said. It said “YOU BUY NOW!!!!”.
Those break points on the pcb are known as 'mouse bites'. They route the board as normal (the smooth part) and then drill the tab ... then break the board out of the panel after it rides through the reflow line.
Those "missing" tabs on the main board were populated and soldered to the main board in a vertical orientation. You can see both of the "missing" sections in your video. One is located near the power input and the other is soldered to the main board near the place where it was "removed."
Not to shabby! I just bought a little budget system with 2 10" Sundowns Ev3. Needs around 1000 @1. This is definitely an option for a Benjamin. Thanks!
They just came back on eBay 122 to 126$ I hada try it! I'm a low budget no budget guy,doing the impossible! Anyone been there?? I appreciate your vids Big D! Really doing a huge service,my man! Drive on!
I usually think of long term when buying an amp on impulse. That amp may have performed good but what if it only has one or two good bumps in it then shyts the bed? Sending back to China is a pain. I will only purchase on good reputation amps. Enjoyed the video though 👍
Those missing sections ARE actually on the amp. They do things like this so that those knock out sections can all get soldered in the same process through the wave solder machine. Then all the have to do is knock them out, and solder the knock out boards in the appropriate places manually.
They used the cutout sections of the main circuit board are use3d for the smaller vertical circuit boards in the amp. That way they can manufacture it all at once (in wave soldering) and save
I had this amp at the time labeled Mr. Musicman. It was very reliable and powerful and only met it's demise when exposed to water during a rainstorm when I opened my trunk. My bad
I used to push my fosgate power back in 2002? .5 ohm. When you pounded it it would make a full song before she thermaled. Never quit. Still have it. Early 90's my buddy had 2) blaupunkt 12" subs ( only pair I ever saw) powered by a huge PPI amp. It carried a long ways..we were Into loud outside the vehicle and making the roof dance. Not really into max spl. I had 2) 10's behind my seat and 2) 12's in my bed with the pass through and a camper shell. In a regular cab mini truck..those were the days..bean bag chairs in the bed and glow in the dark stars on the roof of the shell Kid sensation is Back to boom! Dj bass boy Techmaster PEB Then came DJ magic Mike and mc madness. Ohh shitt. Buddies all ran exotic boxes. 4th order bandpasess. I loved conventional boxes. Had to retro vent Oh I ran a eclipse touch screen tape player. For a long time..Into the CD age..no one was cutting CDs? So I could make sweet 90 minute mix tapes for partying by the fire in the desert or the river. Everyone would bring me a cd and say play this...I would say I can't it's a tape player? What ? A tape player? Never had to play others music..lol..CDs skipped In the desert anyway back then.
Thank you for all your testing and insight. I am searching for an amp to power two Dayton Audio 12” HO DVC subs. They are rated at 700 RMS. Based upon your experience, what two or three options would you suggest?
The two cuts are a way to save money on manufacturing. If you look closely, there are two "daughter boards" soldered vertically inside the amp motherboard. Those sizes seems to correspond to them. So its likely they just snap them, and solder them where they need to go. 3 boards in 1
10:40 the answer to this question is looking you in the face They have the pcb manufactured with those snapped/snapoff sections which are themselves small pcbs which you can see mounted vertically at the top right and the other is right next to the snap recesses
I mean, a lot of what is checked on this channel is wayyy off. But at 4 ohms, it's still less than 20% off(18 and 14% under), then at 2 ohms, it's only 6.7 and .11% under. Do any of these provide variances at all? these may still be within what should be epxected.
The missing board parts are standing soldered vertically smaller piece right by where the chunks are missing in the other piece down to the output side of the amp
You know some Friday nights we would donate stereo gear from 3 guys to one guy and take turns cruising..Mercury precis with 4) 12's. Lol. Good times ...love your show .loves those phoenix gold Amps you showed hand built ones ...if you don't understand math you won't go far In Car audio ..we didn't have lots of money. I ran all L A sound Amps till I got out of highschool and had a job. We had to go with sensitivity instead of brute force. No money to power the stuff. We had a friend with an 18" in a dodge Omni 😆. He was the quietest one in the bunch...couldn't afford the amp to power it.. Fake it till you make it. Now I have a general system. DVD played nothing special..been tempted to remove a rear seat and make a subbox you can sit on.
There are several variations of this model. Look for "F83532" as the model number and it will narrow your search for the same amp Big "D" tested. It's the only one that has 1/0 power cable connections.
Hey Big D any possibility you doing a dyno on the Jensen XDA91RB 1200 watt mono amp, I got one for Christmas havent hooked it up yet but curious to see what it could do. Its $98 at walmart which is a steal.
Greetings Big D Wiz.... from another Big D..... BIGDOGBRODAVE of ONE CALL INSTALL here out of Honolulu Hawaii... I started installing here in 1973 when the BIG CHEAP AMP.... was a underdash EQ box with 25 watts... and a FADER!!!!.... I came along at a time when cars typically had only one speaker in the dash and a AM radio so.... quite the improvement. I am currently building an AUDIOMOBILE RACK system.... for fun. I have been watching your videos and I wonder HOW the REAL old school amps actually perform on that Dyno there. I am sure the readings would be underwhelming to most viewers of these times but back in the late 70's to actually have 100 WATTS to power them "100 watt" Jensen TRIAXIALS.... well... People knew.... I owned a pair of MINDBLOWER 6x9 speakers back in the 70's in my 70 Challenger. PERFECT TRUNK for them.... Hunting for them as of late as well as AUDIOMOBILE GEAR. That being said, I recall YOU have a SA 1600 system amp. I wonder if that could be tested. I am IMPRESSED with this WUDI as it appears to be the modern version of the JET SOUND product. Coming from Asia BUT on the low end, I recognize that FONT... in my nightmares..LOL..... JET SOUND products were synonymous with ENGINE NOISE.... I learned a lot of tricks to eliminate engine noise thanks to JET SOUND..... ugggggg..... I LOVE this video so I came out of hiding to give it and YOU a BIG TWO THUMBS UP...... Love your work... Great narration... YOU BIG DUMMY!!!!!!....LOL..... Keep up the great work and you be SAFE and BOOM on... TEST an old AUDIOMOBILE and a ZAPCO... a CRAIG... the 72 watt Powerplay... that thing... and a 500 watt CONCORD if ya can find one.... they blew up a lot.... SANYO... was a VERY EARLY contributor as well as PIONEER... that GM-120 was the best... the Component PIONEER..... back in the 70's... I installed the very FIRST CD PLAYER ever made for a CAR in America, a CDX-P1 made by Pioneer... in Art Rubensteins car a Mercedes, Later I installed the very first CELLULAR PHONE in Art's car. He was the Pioneer rep here back in the daze... His FIRST CELL BILL was over 1200,00 dollars...... I remember his distress...LOL.... Hawaii was the TEST BED for Cellular technology thus.... it came here first them... BOOM.... more BOOM....LOL.... WELL It's 2021 and the cheap POWER is WUDI... and the other end... CRITICAL MASS and maybe ABYSS... a few others... It still amazes me how much power engineers these days squeek out of a 12 volt antique... POWER ON!!!!!! Aloha BDBD
Question? Running 4 dvc 10’s in a large sedan trunk. Can I get 1800rms power for under 200 or even 150? What would you recommend? Do these cheaper amps lack SQ?
9:05 don’t take away the flex 💪 We love to see dem subs bumb yo! Also, it actually nice to see the subs moving then hear what you thought about the performance 😉 please bring back this segment.
Love the channel, have a question for everyone. Ok so most cars with sunroofs have those pressure vents in the rear corner panels near the trunk and bumper. Now im running 6.5ft3 enclosure with 2 sa15d4rev3 in a 2020 koa Optima special edition. Took my intire trunk. Those little vents vibrate so bad and is very annoying. Cant block them and you dont want to remove them as they are extremely important. Has anyone come up with a solution to slow the flow of air without blocking them but killing the vibrating flap noise. Thought about fiberglass batting of some sort or a mesh that allow air flow but very slow?
The two pieces that are clipped off of the circuit board inside or actually the input filter and the other part on the board that Clips in, it's all made in an assembly line and then all they do is click the pieces off the circuit board and plug them in and it's good to go
No it didn't reach the rated power, But the amp is only around $80 I believe. There's a 5800W (not really) Wu monoblock for that amount. So really given the amps overall output, that ain't too bad. Though it is kinda sneaky using same amp model numbers as Skar. But that's China for ya.
Hey Big D can you explain the differences in Amps? The first 840 certified run at 2 ohms had a 92.8 A draw but when you measured the efficiency you showed a 79 A draw. I think I noticed this on several of your tests. What am I missing? Are you doing a special efficiency test in the background or something? Why didn't you just measure teh efficiency with the first run of 92.8 amps? Thanks Bro! As always, I enjoy your reviews.
![How Much Power Does a $49 4000W Walmart Amp Make? [4K]](http://i.ytimg.com/vi/yXhIjmdzzZ0/mqdefault.jpg)
![How Much Power Does a $49 4000W Walmart Amp Make? [4K]](/img/tr.png)
I really enjoy watching your videos... you do an AWESOME job all the way around. After I graduated electronics school in the late 80's I started repairing car audio for an Alpine dealer and amplifiers have always been my favorite . I think this amplifier is a beast...especially for $100 but now I couldn't find anything around that price it had more than DOUBLED! I looked hard for a deal because I was just wanting to play around with it as I have tons of name brand amps. I finally bought the same amp on an Amazon deal (DEC 7, 2022) for $106 but it is sold as a "Facmogu 3000W Max Power Class D Mono Channel Subwoofer Amplifier". It has the same case with the 6800 watt and 8808.1D logo but no brand is on the amp or the box it came in. The paper manual is also the same . I checked the guts and it is exactly the same as in your video even with the AudioPipe wiring except some of the caps are now Zhuohao brand...not familiar with that brand. I powered it up but haven't got to test it out good yet...but SOON! Thanks for making these videos and I will continue to follow your channel awaiting the next amp review.
Wow!!! 2129 watts at .5! That’s a beast at $99. Couldn’t believe it went .5 ohm without going into protect, Keep up the solid work Big D!
Wld not recommend running like that for extended periods time and expect it to hold up And then like most start calling it a P.O.S. lol You know how ppl are ✌🏽
At 75% thd I'm sure 😂
@@noelleonard2498 True but you're missing the point it's $99 and held up under the punishment of the DYNO that's impressive You should give credit where credit is due 👍🏽
@@redman4076 I don't think you'd see half this power daily no one listens to music at full tilt all day, and taking box rise into account you can wire an amp down pretty low for daily listening and competitions. Granted I only know about what Brazilian amplifiers can do on a budget. But I had a sundown SFB1k pop on me after just turning on my car, yeah I hit a 142 db musically and 143 on a burp. It was my daily for almost a month. But I think old school here has had his for about a year. And the amp is made in China.
@@cocomaster3755 I totally agree with ya BASS ON my friend🔊🔊🔊. 👍🏽👌🏽✌🏽💯
To get 1300 Watts for $100 dollars is a budget gem. YEAH BOY!!!
It’s a trash amp. Who cares.
@@matt6951 it's not trash for 100 dollars
@@TalgatsKingsmove I’d rather have a quality amp, sorry.
@@matt6951 you're choice
To find a quality amp, the THD and Noise should have at least three zeros to the right of the decimal point and the signal to noise ratio should be 100 or better.... anything under that is getting closer to the trash Zone
I've been running this amp on 4 500w subwoofers @ 1ohm for about 8 months with no issues. Clean deep bass with gain under half way. Thing is, I believe I got the last one of eBay...they have been out of stock every since.
They just came back in stock just bought mine!4-21-22 126$ BE SURE THE MODEL # IS F83532
And how did you run for off of a monoblock this is just coming from a novice I'd like to know myself interesting I guess you ran them parallel or change them I don't know like to know though
@@josephward6577 4 4ohm speakers ran in parallel which is all positives together and all negatives together. 4 divided by 4=1. In series 4 times 4 =16ohms. 2 4ohm speakers in series (8ohm) wired in parallel to 2 more 4ohm speakers also in series (8ohm which is 1 negative to the positive of the other speaker and using the remaining pos on that speaker and the remaining neg on the other for main connection) would create a 4ohm load with 4 speakers. Hope this helped.
@@jamlzak2536 Shaaazaaaammmm! Ty JZ Absolutely that's plain and even I can understand that! I've been second guessing,to much! TMI to take in and remember!! Thanks again!! I've been on some forum sites asking,& all I got was a tongue lashing,& pretty much told off for it!
@@josephward6577 Still always check with an ohmmeter if available. Although a speaker says 4 or 8 ohms, that's not the actual load it presents to the amp. A 4 ohm speaker may read 3,2 ohms on the meter and at the amp. A calculated 1 ohm load may actually be around .7... Some amps can still handle that but it'll have to be a 1 ohm stable amp
You'll see that those sections, after being populated by the pick-n-place machine and soldered in the oven, are then placed as verticle daughter cards on the amp. They do this to keep induction low by keeping all the signal components closer together. This is typically so they can get away with the cheaper standard 1oz copper layer rather than having to jump to much more expensive heavier weight copper layer, which would be needed if all the parts were laid out over a larger PCB area. Crazy power !
Orion has Pat pcb thickness and gold traces I believe deffinatly a propriety pcb check the Orion vs sundown Dyno shits un real
You spend a good amount of time on capacitor, inductors, and wires... but I heard no mention of transistors or Pics, you know, the things that actually amplify. Sometimes, cutouts are needed to cut down on noise (ground loops), here they've used that fr-4 as baby boards for the reasons stated above.
I have to admit. I "like" you videos before I watch them because I know it's going to be awesome.
As I do your comments 👌
For the 2 broken off portions.. you can see that there is 2 other small boards placed vertically on the main board... these 2 smaller boards would likely have been printed out of the main board.. and then made it so they could easily be snapped off and re-positioned during production.
100%
@@johnyang799 as the MiZ would say corrrrrrrect.
Your correct. I worked for peavey for years and they do this often
@@nefariouspreludev2.046 Peavey is one of the saddest stories in the music industry. At one time (back in the early 90s) we had over 100 black widows loaded in our boxes.
How could they not see that while looking at it in person???! Good eyes!
The broken off sections of the board are the 2 pieces used as daughter boards on the amp.
Yep.
I have no idea what a daughter board is. Can you explain it in super laymen’s terms.
@@dtmfool789 - Those two little boards sticking up (vertical). One of them is right next to the cutouts.
edit: @ 10:50
@@dtmfool789 its any separate pcb that integrates with the main board by pins or cables.
The two pieces, one for the audio driver board and the switching driver board.
Wow!!! I am just completely shocked you didn’t wind up with a 100 buck paperweight!!! Great video Big D!!!
I used to work for a high voltage research and development company, we used to use that same spacing technique with a optical isolator chip to keep noise out of certain parts of the board, and just to save on future issues on high voltage creepage, we would space the board out
Well, well, well what we have here? $99 amp getting it done. Very impressed, for sure. May have to get one and see how long it'll last on two 500wrms subs. Definitely seems like a good daily banger. Another great video my man. 😎👍
I think you should include a watt per dollar category in your videos for all those new amps that you test 😁😁 so its easyer to see whitch is most cost effective,...just a suggestion 🙋
I second the motion D-Wiz
3rd!
4th 👍🏽
A buck a watt is only valid for a sound quality amp.. at least itis I.M.H.O....( thinkin bout those 90's Vintage - Alpine/Fosgate/Orion/PPI/ the list goes WAAAY on lol)
Class D amps are efficient, cheap power that i would use for subs that need GOBBS of power on a budget ...
Class A or A/B amps i use for my
Tweeters, and my upper midrange..
Lower midrange and subs can be ran with class d amps...
Sub bass needs 20x the power for humans to be even cause of our hearing efficiency..
Now these are ONLY MY preferences...
I need to have my highs and mids ran with A or A/B power ....
It can be NO other way...
LMFAO...
If you cant hear the difference between Any of these things anyway. WELL then EFFF it man..
Lol
Crank it ..
Pffft
Until the price triples once big d tests it lol
Big D, Wudi saw your dyno of their other amp and said "Naw man we can't go out like that". Enjoyed the video.
Thanks for watching and commenting!
Go Gamecocks
@@escalerajermel That's right. Go Cocks!
Things have changed, 1300 watts at 1 ohm would've been 1300 skins back in the day this is 100 - ish shipped
This is a win for guys like me who just want some bass. And not trying to shake windows
I bought one of these widi 8808.1D amps thanks to your tutorial. I must say I'm impressed. I paid a hundred bucks on eBay and the amount of bass it produces I had to buy another one
Is it still working?!
@@mrfkyobitch6282 u talking about a rz1-2500d? If so your crqzy I have 3 of em and they are good but even at 1 ohm they only put out 750-900watts rms. Don't get me wrong I love this little amp hence why I have 3 but the amp in the video is alot more powerful
You can see the board he removed. It is a vertical component mount. At 10:51 The initial flyover shows both segments. One is at the upper right of the PCB, likely the input pre-amp section from the location. The other stares you in the face at the above noted timestamp. Vertical PCB sub-assembly mounts conserve main PCB "real estate", and are also useful if the original circuit gets 'massaged' after it initial release without the needed space to implement it and not wanting to perform an entire new layout. They look the same size as the missing pieces you referenced. Easier pick and place and a simple breakout once the PCB gets to the customer for final assembly. Many of these get their thru hole parts put on by hand since the count is not very high and the labor is not very costly.
So reminds me of the Old school Punch45 ❤
I'm talking about the early 90s Punch 45s
Excellent review,
Back on fleab for $112 and Amaz for $233 wow
Honestly this budget amp kicks lots of name brand amps you know what.
They adv a remote bass knob but is Not.
Again Excellent Review on this amp.
Even at 1ohm beats namebrands that cant handle the loads. Wow wow wow .
a c note for rated at 2 ohms/clip is still decent. and it gets close enough for that price. even if the finish quality is.. rough. i'd rank it a flea market king though.
100 bucks is a win. My question is how long would you suspect it would last? I got a 92 rockford fosgate 800.2 still going
I'd check your caps and stuff to make sure they don't fry on ya. Age even gets to quality stuff over time.
I've been using a ZR 1000 for over 20 years.
700s on sub's,400s on mids, highs still pounding since 2002. Fosgate got my Respect.
I def would not run this thing in a vehicle without adding an external fuse, as it doesn't come with one.
Vintage fosgate power is on point for real. I had 2 turtle shell punch power 200x2's trans Anna running 4 - 12's. Also had some vintage alpine anps running my mids and highs..
Man I miss that system..I had a hifi alpine head unit too...
It sounded fn excellent..
Shop:
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WUDI 8808.1D - ebay.to/3xShO45 (back in stock 8/16/21)
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XS Power D1400 Batteries - amzn.to/2BPFCKW
XS Power PSC60 Charger - amzn.to/2CHGcfs
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DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases
@WeAreWatching Yu Magic! I upload as unlisted and share with my Patreon supporters prior to going public with the video
📌 this
Can't find the amp anywhere just 4-channel a/b 😒
Those broken off peices are the daughterboards on the amp, just easier to print it all at once
Was going to say the exact thing.. those boards are in the amp.. just have to look for them :D
the chunks out of the board are the driver cards , its a way to save cost in making them i guess .
I love the way you explained everything bad or wrong or good about those cheap amp.
I try to do that in every video 👍
Can you do some 20hz or 25hz tests on your amp dynos to see which amps can really slam the lows and which ones fall on their face?
I don't really see why that would matter. In a Hifi amp running on AC it would show how much power the power supply can store but here with DC it should be the same at 40 Hz in my world.
Every full bridge amp dives below 50 hz. Check out emf audio great vid
@@christopherparis6841 just curious how different brands perform at lower frequencies. I know theyll all reproduce those frequencies but i want to see which ones really push the lows amd which ones push less at the lower frequencies.
@@Jackmerius_Tacktheretrix emf audio takes a flat volume test track and feeds amps many tones at each their single frequency each at equal zero db difference and the amp output graphed on an osilicscope measuring for equal output on all recorded tracks any who might be best to check his vid yourself. Emf audio. The zero db test tone disc is key not a download or file saved device a purpose made cd. Humans hear to 20 Hz so I think he tested tramps then said its consistent to full bridge mono amps because in theory the full bridge is basically the same as two class ab amps strapped as one it actually changes a fkn ton reasons a pure d class is made the full bridge is not so foolproof as vibration or impact can be an issue fire in rare cases lol. Watch Orion vs sundown amp Dyno or 3 k amp shoot out it's very clear Orion takes the cake the light n the others missed the damn show lol. Price power build and Soo much more fkn hits 14 k rms or very close. My guy down the road bought one he's smoked around 15 ok r 20 subs lol. Vfl comp godfather signatures are taking a first time knob spinning turning up when he pulls out kinda kid n I know too well it's only a matter of time their 5 k rms per sub dual one subs .25 load amp doesn't even know I mean there's 3 0ga power ins and 3 0ga grounds Dyno pulled 1000 amps reset a fluke amp clamp at 13.8 at .5 ohm it's the smallest hcca amp Orion offers lol fkn unreal at one ohm on amp fkers one of the tippy top in no distortion for an sq build I'll not buy any other amp even the xtr series is like 3 x it's rated lol
Something about watching 4+ subs moving together is so satisfying
Yea u would shit ur pants if u seen 8+ 😆
@@TheCustomEverythingChannel I just put 8 - 8s in my daughter's Nitro lol
Anyone wanting to know about this amp guts looking like Audiopipe, here is the cross reference into the Audiopipe that is the same as this Wudi :
Audiopipe APEL-1200.1
👌😬👍
same brand of caps as the D'amore amp you just tested.👍
Yes it was your right ! I didn’t notice it until you said that and D’amore is suppose to be nice stuff far as I know !
@E Dud interesting, thanks for the comment. I have wondered if the more the more budget friendly D' Amore amplifiers were using cheaper parts & materials... Figured they had to be considering they are priced as low as the $200 range. I had been looking at one of the D' Amore 4 channel amps think it was like $230 or right around that price. (I don't remember the exact price but you can find the on the D' amore site) Idk if I should pass on it & look for a better 4 channel, just curious about the quality of a D' Amore amp priced in the $200 range brand new. 🤔
@@itdoesntmatterwhatyourname6128 Yep I think im going to buy a couple of them anyway because you know Tony had to have done his homework when picking out all the internals he doesnt want anything coming back🤣I bet he did alot of testing I was sold when Steve Meade put the 350.2 and the 750.1 on the dyno they did outrageous numbers👍
open a hole in the planet! ma man, u da real MVP!!! you gets a thumps UP!!!
👌😝👍
I use your channel to escape politics! 🔊
No bloodsuckers here!
I also use channels Harry Mack, Nandi Bushell and Whistlin Diesel.
It wasn't 3000..
@Cherokee By Blood SIGMA INFJ i hope so, or this channel not worth watching.....
Holy Hell Big D! A $100? These are remarkable numbers from WUDI. We appreciate all that you do. Better believe I'm getting one. $100? Jesus.
I think they are sold out...bummer
back in stock EBAY $126
So where do they get the 6800 watt rating? Is there any amplifier companies out there that tells the truth? Do a video on that.
Just an update. Had this installed basic 4ohm load for over a year. This thing has taken all the abuse. Set gains with a scope so it's been loud and clean driving a single 10 in my truck. Every time people hear it they say no way that is just a 10... So far it's lasted longer then my old school Kenwood monoblock.. very happy I found this guy on YT.. what should I upgrade to next
Another 10 in parallel 😊
Dawn you have to be the very first person to watch to get one of these amps that are a good value it seems like 5min after video played there gone and you will never find them again. 👍✌️👌 Big d sales amps by the ton if they were to give him 1percent of every sell he would be a multi million.
There all over ebay guy
Excellent review on Chinese amps. I've had "3800w" mono Wudi amps before but they went boom connected to just 1.5 Ohm load.
This one was a big surprise!
Test power bass Pb-1.8800D monoblock amp
kkk n
my wudi blew soon as i turned it on ,,,3200, might try this one
@@joshhacker3926 Never run amps at their rated spec. Always run below-spec for optimal efficiency and reliability.
dude I love this channel. shame I hadn't known about it before. will support u and buy some merchandise
this amp is a repairmans dream come true if you know what to look for. the audio output generation circuit is isolated by optocouplers from the actual drivers and final stage hence damage never goes further than the optocouplers!
in my experience its the closest ive seen to modularity in an amp build. this board design is quite generic and generally makes 1500w @1ohm. there are weak spots tho and could and should be beefed up before use.
if anybody has Perrys guide, its generic class D type 4
Beefed up how?
@@FreeStyle786 this one has some good glue on the transformer winds to minimize vibration. also the board is screwed down the middle which helps a ton in the long run. both the driver card will need supports tho. other than that looks like the amp will do well in the long run
Just reliving some old dyno’s. A lot of people don’t know this but I am fluent in Cantonese and Mandarin Chinese. I know what that certificate said. It said “YOU BUY NOW!!!!”.
😂👍
Those break points on the pcb are known as 'mouse bites'. They route the board as normal (the smooth part) and then drill the tab ... then break the board out of the panel after it rides through the reflow line.
The Low Pass/ Subsonic filter comment killed me! I LOL'd.
899 lmfao they ain’t right! I guessed 1200 when I saw the 4ohm load definitely worth the $$$
Those "missing" tabs on the main board were populated and soldered to the main board in a vertical orientation. You can see both of the "missing" sections in your video. One is located near the power input and the other is soldered to the main board near the place where it was "removed."
Pink Panther boom tube is the bomb:) wish I ownd the cd from back in the day
thank god for this guy, can't trust power ratings on any amps anymore kinda sad.
How often does your test equipment need recalibration/recertification?
Not to shabby! I just bought a little budget system with 2 10" Sundowns Ev3. Needs around 1000 @1. This is definitely an option for a Benjamin. Thanks!
They are sold out at the moment but yeah hopefully they come back at the same price
They just came back on eBay 122 to 126$ I hada try it! I'm a low budget no budget guy,doing the impossible! Anyone been there?? I appreciate your vids Big D! Really doing a huge service,my man! Drive on!
I usually think of long term when buying an amp on impulse. That amp may have performed good but what if it only has one or two good bumps in it then shyts the bed? Sending back to China is a pain. I will only purchase on good reputation amps. Enjoyed the video though 👍
Same here, after my pioneer 5 channel amp Big D tested blew up twice i decided to go with proven quality
Those missing sections ARE actually on the amp. They do things like this so that those knock out sections can all get soldered in the same process through the wave solder machine. Then all the have to do is knock them out, and solder the knock out boards in the appropriate places manually.
They used the cutout sections of the main circuit board are use3d for the smaller vertical circuit boards in the amp. That way they can manufacture it all at once (in wave soldering) and save
I had this amp at the time labeled Mr. Musicman. It was very reliable and powerful and only met it's demise when exposed to water during a rainstorm when I opened my trunk. My bad
I used to push my fosgate power back in 2002? .5 ohm. When you pounded it it would make a full song before she thermaled. Never quit. Still have it.
Early 90's my buddy had 2) blaupunkt 12" subs ( only pair I ever saw) powered by a huge PPI amp. It carried a long ways..we were Into loud outside the vehicle and making the roof dance. Not really into max spl. I had 2) 10's behind my seat and 2) 12's in my bed with the pass through and a camper shell. In a regular cab mini truck..those were the days..bean bag chairs in the bed and glow in the dark stars on the roof of the shell
Kid sensation is Back to boom!
Dj bass boy
Techmaster PEB
Then came DJ magic Mike and mc madness. Ohh shitt. Buddies all ran exotic boxes. 4th order bandpasess. I loved conventional boxes.
Had to retro vent
Oh I ran a eclipse touch screen tape player. For a long time..Into the CD age..no one was cutting CDs? So I could make sweet 90 minute mix tapes for partying by the fire in the desert or the river. Everyone would bring me a cd and say play this...I would say I can't it's a tape player? What ? A tape player? Never had to play others music..lol..CDs skipped In the desert anyway back then.
Amp is available for sale again :) I scooped one up for $105.
Website plz?
Thank you for all your testing and insight. I am searching for an amp to power two Dayton Audio 12” HO DVC subs. They are rated at 700 RMS. Based upon your experience, what two or three options would you suggest?
Rockford Fosgate T1500bdcp would be at the top of my list
@@wal thank you!!!
Depends on your budget.
The cutouts missing from the amp board was a money saver. I'm sure the missing pieces are parts for the 4 check version
What the WUDI redemption is going on here? I expect to see 2 of these in the Hot Rod!
Put some paneling on the sides it could be the WUDI wagon
The broken off/"missing" parts of the PCB are used for the two vertical daughter boards.
that one vertical daughterboard is snapped off of the main and used for... something on there built on the vertical chip
Those chunks missing are your vertical boards so they don't have to print those separately. Notice how they are the same size as the slots missing
I think you are right in that observation.
I looked like for that price it's worth it and it would be great if the saying was more compact I love your channel I'm also old school
👌😬👍
The two cuts are a way to save money on manufacturing. If you look closely, there are two "daughter boards" soldered vertically inside the amp motherboard. Those sizes seems to correspond to them. So its likely they just snap them, and solder them where they need to go. 3 boards in 1
10:40 the answer to this question is looking you in the face
They have the pcb manufactured with those snapped/snapoff sections which are themselves small pcbs which you can see mounted vertically at the top right and the other is right next to the snap recesses
Love the video. Wish I could find a amp there all sold out lol. Keep it up man doing great.
WUDI owes me some commissions!
I mean, a lot of what is checked on this channel is wayyy off. But at 4 ohms, it's still less than 20% off(18 and 14% under), then at 2 ohms, it's only 6.7 and .11% under. Do any of these provide variances at all? these may still be within what should be epxected.
Makes me want a wudi over blowpunk for my first upgrade. Impressive.
Awesome review. I would love to see you testing one of the new U1 SoundQubed amps.
The missing board parts are standing soldered vertically smaller piece right by where the chunks are missing in the other piece down to the output side of the amp
Wow surprise surprise! 🤣Good video Big D!💯
Thanks for watching and commenting!
You know some Friday nights we would donate stereo gear from 3 guys to one guy and take turns cruising..Mercury precis with 4) 12's. Lol. Good times ...love your show .loves those phoenix gold Amps you showed hand built ones
...if you don't understand math you won't go far In Car audio ..we didn't have lots of money. I ran all L A sound Amps till I got out of highschool and had a job. We had to go with sensitivity instead of brute force. No money to power the stuff. We had a friend with an 18" in a dodge Omni 😆. He was the quietest one in the bunch...couldn't afford the amp to power it..
Fake it till you make it.
Now I have a general system. DVD played nothing special..been tempted to remove a rear seat and make a subbox you can sit on.
10:43 - They cut those pieces out to make the two attached upright boards saving copper and money. Clever idea.
Yeah I see that now 🤦♂️
It's numbers closely mirror the numbers for the old school audio pipe 1500.1
There are several variations of this model. Look for "F83532" as the model number and it will narrow your search for the same amp Big "D" tested. It's the only one that has 1/0 power cable connections.
Thanks 👌
Big D...will you explain why you think the subs were losing control with that amp?
To my ears it seemed a bit less controlled than I’ve heard
Wow, incredible little cheap amp. Pretty impressive
Luv that old-school Kicker sub @ 16:12
Is class D better than AB. I want to feel the chest punch. What should I do?
Looks like they snapped out the board parts and used them in other parts of amp - you can see the missing parts attached as risers.
Exactly, not sure how I missed this
No man .... they nested same boards mirrored to save space while manufacturing....
Hey Big D any possibility you doing a dyno on the Jensen XDA91RB 1200 watt mono amp, I got one for Christmas havent hooked it up yet but curious to see what it could do. Its $98 at walmart which is a steal.
Thanks for the videos. This one was a big surprise. But thanks so much.
Thanks for watching and commenting!
Late to the party but I found these amps on aliexpress for $85 with $0 shipping - might have to pick one up
electronic components manufacturing standards are light years where they were 10-20 years ago, this effect buoys everything
Greetings Big D Wiz.... from another Big D..... BIGDOGBRODAVE of ONE CALL INSTALL here out of Honolulu Hawaii... I started installing here in 1973 when the BIG CHEAP AMP.... was a underdash EQ box with 25 watts... and a FADER!!!!.... I came along at a time when cars typically had only one speaker in the dash and a AM radio so.... quite the improvement. I am currently building an AUDIOMOBILE RACK system.... for fun. I have been watching your videos and I wonder HOW the REAL old school amps actually perform on that Dyno there. I am sure the readings would be underwhelming to most viewers of these times but back in the late 70's to actually have 100 WATTS to power them "100 watt" Jensen TRIAXIALS.... well... People knew.... I owned a pair of MINDBLOWER 6x9 speakers back in the 70's in my 70 Challenger. PERFECT TRUNK for them.... Hunting for them as of late as well as AUDIOMOBILE GEAR. That being said, I recall YOU have a SA 1600 system amp. I wonder if that could be tested. I am IMPRESSED with this WUDI as it appears to be the modern version of the JET SOUND product. Coming from Asia BUT on the low end, I recognize that FONT... in my nightmares..LOL..... JET SOUND products were synonymous with ENGINE NOISE.... I learned a lot of tricks to eliminate engine noise thanks to JET SOUND..... ugggggg..... I LOVE this video so I came out of hiding to give it and YOU a BIG TWO THUMBS UP...... Love your work... Great narration... YOU BIG DUMMY!!!!!!....LOL..... Keep up the great work and you be SAFE and BOOM on... TEST an old AUDIOMOBILE and a ZAPCO... a CRAIG... the 72 watt Powerplay... that thing... and a 500 watt CONCORD if ya can find one.... they blew up a lot.... SANYO... was a VERY EARLY contributor as well as PIONEER... that GM-120 was the best... the Component PIONEER..... back in the 70's... I installed the very FIRST CD PLAYER ever made for a CAR in America, a CDX-P1 made by Pioneer... in Art Rubensteins car a Mercedes, Later I installed the very first CELLULAR PHONE in Art's car. He was the Pioneer rep here back in the daze... His FIRST CELL BILL was over 1200,00 dollars...... I remember his distress...LOL.... Hawaii was the TEST BED for Cellular technology thus.... it came here first them... BOOM.... more BOOM....LOL.... WELL It's 2021 and the cheap POWER is WUDI... and the other end... CRITICAL MASS and maybe ABYSS... a few others... It still amazes me how much power engineers these days squeek out of a 12 volt antique... POWER ON!!!!!! Aloha BDBD
I'm impressed for sure! I will order a couple of those asap. Thanks big d
You order any?
@@mugs2169 not yet, within the next couple weeks
Question?
Running 4 dvc 10’s in a large sedan trunk. Can I get 1800rms power for under 200 or even 150? What would you recommend? Do these cheaper amps lack SQ?
9:05 don’t take away the flex 💪
We love to see dem subs bumb yo!
Also, it actually nice to see the subs moving then hear what you thought about the performance 😉 please bring back this segment.
After this vid they are going to pump the price double for sure
That's sweet for 100 bucks. 2 of these on a set of 12s will have you jamming.
Love the channel, have a question for everyone. Ok so most cars with sunroofs have those pressure vents in the rear corner panels near the trunk and bumper. Now im running 6.5ft3 enclosure with 2 sa15d4rev3 in a 2020 koa Optima special edition. Took my intire trunk. Those little vents vibrate so bad and is very annoying. Cant block them and you dont want to remove them as they are extremely important. Has anyone come up with a solution to slow the flow of air without blocking them but killing the vibrating flap noise. Thought about fiberglass batting of some sort or a mesh that allow air flow but very slow?
For the price, it’s a steal!
no it's not, because the real price is at least $200.
Flirting with 5 cents per watt here. Impressive. Looks like there are four left at $110 apiece as if 1:15mst. Good luck folks!
The two pieces that are clipped off of the circuit board inside or actually the input filter and the other part on the board that Clips in, it's all made in an assembly line and then all they do is click the pieces off the circuit board and plug them in and it's good to go
Yeah I’m blind apparently
Dyno Test the HYDRO Full-Range Digital Marine 8-Channel Amplifier 3000 Watts please👀❌
arent those cutouts the 2 little vertical circuit boards that are cut out and moved to shorten or make pathing easier ?
No it didn't reach the rated power, But the amp is only around $80 I believe. There's a 5800W (not really) Wu monoblock for that amount. So really given the amps overall output, that ain't too bad. Though it is kinda sneaky using same amp model numbers as Skar. But that's China for ya.
Hey Big D can you explain the differences in Amps? The first 840 certified run at 2 ohms had a 92.8 A draw but when you measured the efficiency you showed a 79 A draw. I think I noticed this on several of your tests. What am I missing? Are you doing a special efficiency test in the background or something? Why didn't you just measure teh efficiency with the first run of 92.8 amps? Thanks Bro! As always, I enjoy your reviews.
Hey man love your vids but have you tested a old school 16 st1000 d Memphis Amps before
Went to both of the links for that amp and no matches found. Just a 4 channel class AB.
You can find it on eBay for $103.15 with free shipping! 😉
I really enjoy your videos, n if you don't have a dyno on it , I'm not buying it. Ty rich fish Pontiac Michigan
You need to test one of the most infamous amps on the market the Zuki Audio Elects 2 and 4ch
He tested the Eleets. He wanted to release video sooner but couldn't find much info about company because they're gone
But how clean is the power and will it hold up after playing for a while?