HOW IMPORTANT SUBSONIC SETTING IS ON YOUR AMPLIFIER?
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In this video I show you how important the Subsonic Level on your Amp is for output on your system.
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How to set Subsonic on an Amp
Subsonic Amp Filter
Subsonic Filter
Amplifier Subsonic Level
Where to set Subsonic Levels
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How to set the tune if i like the bass can crawling the ground? Specially the tuning box? Is it 35hz? Or 40hz?
Mitsumi pdf f250
Are you saying that if you turn the subsonic off or as low as it can go I get more output from my amp?
@@keehud333 no, that will just offset less cutout point on the lower frequencies to the sub to have more power at a lower volume/gain level is all. Amp only puts out what it can do with the proper tune
@@JacobViral2 ok thank you. I think I just need to add more volts to my system for more power. I'm only using prolly about 40% if that on my amp. I'm runnin all factory units right now. 2k is my max at the moment
Bud nice video but wish you would of spoke in dummy language. If teaching people who don't understand ya sort of have to explain what's going on
context clues and google
If you have issues with overheating of your amp and you dont want RF interference from a cooling fan, try putting rubber spacers on your mounting screws between amp and mounting surface. It will keep the amp away from surface allowing heat to dissipate all of the way around the amp. Mounting surface could insulate the bottom of the amp holding in heat and possibly damaging amp components.
Use gain to adjust to keep your speakers from bottoming and keep subsonic off for 12s and larger. Turning that subsonic dial clockwise at all makes you lose low end output period. Subs are mostly meant to play low unless you’re using 8s or 10s. Then I could see turning it up a hair. Never had a problem in 35 years this way. Now, the low pass filter “features” the number it’s set at with more volume versus subsonic. Subsonic just cuts off below where it’s set at. But a slight roll off starts higher than where it’s set. Hope this helps. Oh, and Bass boost shouldn’t even be on amps period. Keep it off.
thank you this helped me
It depends on the enclosure and sub. Subsonic protects the sub from over excursion at frequencies below the enclosures capability.
I have been having problems with my amp settings I will try this thank you
So Basically I blew My Subs? I turned up the subsonic to tune my system to what I want it & Now My Subs Play for 30-60 seconds then Cuts out. my Amp is not Blew nor in Bridge Mode.
Bass booster is like dope lol everything’s fast
Fuk it I just turn all the knobs to the right 😂 no really Jacob knows his shit thanks bud
Why not set the subsonic filter CORRECTLY instead of just guessing on the analog knob? Many amps are not accurate on their markings and "eyeballing" it is totally wrong. First set your gain correctly, then set your low pass filter. To properly set yoir subsonic filter, do the following:
1. Turn subsonic filter OFF by setting it all the way to the left at the lowest setting.
2. Play sine wave of desired subsonic setting, for example 25hz.
3. Using a multimeter take note of your voltage you have from your test tone.
4. Multiply your voltage by .707. So if I saw 40 volts I would multiply it by. 707 giving me 28.28 volts.
5. Turn up subsonic filter until you reach this voltage, subsonic is set.
Dennis Randolph or I just pull out my SMD CC1. 😃
@@angelvip2474 That is another option yes, but my point being was that there are very easy methods to correctly set the subsonic filter without any expensive tools. Not everyone owns a DD1, and they are quite expensive especially if someone will rarely use it. A multimeter can be purchased for 5 bucks at harbor freight and does the job fine as well.
Dennis Randolph I absolutely agree with you bro. It is also good to know the procedures ,the how and why it works not just winging it. You did a great job explaining the procedures. I was just being a lil smart ass😂👍👍
Why 28.28?
@@brian3364 28.28 just happened to be what the voltage would be in the example I gave. You pick a subsonic setting you are aiming for (25 hz is usually a safe bet if you want me to make it easy for you) and then find your baseline voltage reading you have with the subsonic filter turned all the way to the lowest setting. So I gave an example of 40 volts as a baseline reading, you'd play your 25hz test tone, or whatever frequency you are wanting your subsonic filter set to. With the subsonic filter set at the lowest setting (turned all the way to the left) you get your baseline reading. If for example you saw 40 volts then you would multiply that number by .707 giving you 28.28 volts in our example here. Turn the subsonic filter up until you reach that voltage and you are all set. It is quick and easy! Just make sure your subwoofer is disconnected while doing this! You don't want to potentially damage it blasting ultra low frequencies through it while you are setting the filter initially. Alot of people like to set their subsonic to 5hz below their box tuning, I personally have always just used 25hz and it works perfect. Your low pass filter can also be set using the same method of getting baseline voltage and multiplying by .707 as well, using an appropriate test tone. Only difference is the knob would be turned all the way to the right to start.
Thanks man you always read my mind. Hope to meet you this year.i will give you a demo. I only have 2 15 bd4
"Only two 15's" yeah, no big deal. Lol
Being as I have recently as January gotten back in the car audio world I have so much to learn and I get really confused when it starts getting into these types of topic areas. Basically learning to have everything matched from Head Unit back to amps and all in between. Learning slowly, but learning none the less!!! Thank you for another insightful video!!!
same
You can always leave it at half way and you wont have any issues at all.
I just learned something new today brub
Subsonic is useful on ported boxes,sealed do not need a subsonic filter.
I do think this video was informative...
But I do believe that those with a minimal understanding of electronics and the technical terminology associated with car audio, your video would be confusing.
I think you have the concept of how it works, but you're not putting it into simple terms and you're unnecessarily repeating yourself over and over.
Slow down... plan things out before you record, and make sure you dumb it down a little for the people in the back.
Other than that Jacob, please keep throwing informative videos like this into the digital abyss because there aren't many videos covering subsonic filtering and how it works.
You're filling the gaps bud.
Well done.
Is the subsonic the same as a high pass filter? I'm asking because I want to use multiple full range monoblock amplifiers to power my door speakers 🔊
Some amps have it labeled like 10-90hz, etc which can be also act the same as subsonic correct, base it off the numbers
I hear too many people's systems that don't understand this concept. Yeah it might hit hard but this next hit right after that sounds like a fart. Without properly adjusting the subsonic the speaker cannot return to original position to throw again in time for the next hit. I also am like you in the respect that I would like to hear not just the base but the instruments and the vocals setting the subsonic helps tremendously. I also have tweeters and not the kind that comment on stuff LOL
i never thought subsonic would affect the high frequencies like that. learning every day.
The actual best setting for the subsonic/infrasonic filter is the one that limits ultra low frequency excursion to prevent damage. A side effect of this is that you are now drawing less current when playing those ultra low frequencies meaning less voltage drop and possibly more average power in your supply. This may lead to slightly higher dBSPL numbers but is unlikely to be noticed by most. I would recommend finding the frequency where the sub begins to unload and have crazy xmax and slowly turn up the volume until the sub begins to reach close to xmax but there's still power you can add. Then adjust the infrasonic/subsonic filter until the xmax drops then repeat with slightly more power until you reach max power and the sub is no longer exceeding xmax below tuning at whatever frequency was ideal to pick for your setup. If for sub for example is tuned to 35Hz and it will begin to exceed xmax at lets say 25Hz then you should probably have a filter setting around 25hz or so to cut off that low bass a bit so it doesn't damage your sub. It will also put less power into the coil at low frequencies so maybe you can get a touch more power in the higher frequencies that the sub can play leading to more dB.
thanks dude.. This applies to all enclosures? Even 6th orders?
A lot of great info there! You got just about everything right. The subsonic filter comes into play ONLY if the amp receives frequencies that are below the lowest tone the sub can produce at 3db down. AND, the filter only comes into play IF there ARE frequencies present in the infrasonic range. Using a good signal generator should not produce any frequency other than what it is set to. If harmonics are being generated in the signal chain, then you have a problem. Another thing, what is the slope attenuation of that HPF (subsonic filter)? I bet it's no higher than 6db/oct. So, as you set the level up near your fundamental tone, it may be already sucking the level down! You want to be anal about this? Get an "O" scope and look at the waveform levels while you play with the filter. A subsonic filter shows it's colors when playing a warped LP on a home stereo. The subsonic cone movement in the woofer can be crazy bad!
Am kofi from Ghana , you have been very helpful with the subsonic setting,now my system sounds better than the first time 👍
That's why I used old school amps cause they only have a gain knob and it's just much easier..i just want bass nothing else
exactly
Not all old school are like that... My crossfire 1k is about 15 years old
This is a just a tool I use to adjust different things.. lol Plot twist: it’s reallly a bong scraper 😂 bruhh you the best I wasn’t sure if I was the only one who noticed!!
What’s the app called ?
That is a feeler Guage
There is pictures of it how I know is because I'm a mechanic and I use them
It's a gap checking tool. For checking valve gaps
Looks like a feeler guage to me. Ain't nothing wrong with smoking herb but you gotta have hobbies other than just smoking herb otherwise you just end up throwing away your brain...
Can’t believe how good the bass sounds through your mic and out into my super cheap earbuds(Tozo T10). Sounds so clean.
Nice thanks for watching and subscribing
bro i was watching this in my car and my skar zvx-12 was going insane
Been in the game for over a decade. Currently on my 4th system. How did I not know this? Lol Thanks! You da man
Welcome and thanks for subscribing!
@@JacobViral2 But of course. You're good at making vids and sharing info. Accidentally unplugged my stereo fuse. Gotta re-tune from scratch w/ no O scope or anything so this helps bigtime!
I feel you on that I'm about to be 37 tomorrow and I've had at least 30 different setups over the years
Dude your content is really good. Well spoken, good flow, informative. You should have more subscribers. That's not an indictment on you, rather us in the community. We need to share you more. You should be getting paid for this. I'll do my part 👍
Exactly.... I run 12s and subsonic takes a lot away from the good, rich deep, bass im pushing now and I have a small system but the sound quality is good and I didn't spend an arm & leg on equipment, plus I am only running 1200 Watts, so no need for an extra battery or upgraded aftermarket parts either, just make sure you run it correctly and you shouldn't have much of a problem with it.
I always leave mine off, mainly bc I know the music I play but after watching this, I learned something. Time to fix that lol
I always put it 2-3hz below f3
I'm black and don't understand this shyt I listen to rap and opera where should I set it with hurting something...lol
@@duke1977 bro same im mexican and just wanna listen to rap😂😂
I’m blk here and I wanna hear Akon in 5g, but beating on the low end??? Help me out😂😂😂
Socks and flip flops! A man that really loves his momma!
Anyone who is worried about an SPL score probably already knows what subsonic is and how to set it. People who just have an amp and sub in the trunk of their everyday ride will probably need to know what it is and whats the best way to set it for good sound quality. Just saying.
Subsonic basically cuts off the frequency, I love low frequencies, it shakes almost everything including my windshield. So I set it to off cause I like to get only low bass, not high mid bass.
1:31 "ignore the dash" - Jacob Viral2 . Jk, sick vid.
At the end of the day we want to be louder but what i got from this is that its mostlikely best to set the subsonic before i set the gain because changing the subsonic later would change the output voltage.
He didn't do this. I have a 32 hz ported and a dayton max x 12 28hz what do I set my subsonic to, 31.5?
@@anglerandy573628hz is subs resonance fs. subs will play below the fs and also box frequency by around 6 to 8 hz. You need to be able to tune by ear. No vehicle and system are the same so I can't just say yeah set it to a certain frequency without hearing it. Start with the subsonic set to 30 hz, You'll need to turn up the volume where you think it's kind of loud but still sound clean. Turn the dial on the subsonic counter clockwise until you can hear that sweet spot. You'll end up with the subsonic set lower than your box tuning. Also Maybe this will help , the lpf (low pas filter) filters out the highs to the sub and the subsonic filter's out the lows.
@@filibertofonseca8083 then what does the high pass filter do? It's a 3.2 cu ft box with 1 dayton max x 12" 28.4hz resonance sub. It sounds good on lows like it is resonating cleanly and making the car shake but what sounds like higher bass tones make a slapping noise that sounds bad like a hammering??box is tuned to 32hz but it was for a sundown z and x not this sub. Thank you for the advice.
I did not understand your calculation, half of half, 13 hertz is what you said, but you set it to 35 hertz? Please help
Dude just showed the pull something out my azz method
hi i need help my amp says LOW PASS FILTER 50-250 is this a good or bad amp? and can it hit below 50hz? this is a 4000 watt planet audio? some amps says 20hz or 30hz LPF ... please explain detailed, i guess what im really asking is can this amp hit 30hz or 35hz ?
That’s for subwoofer high freq cutoff rollover, set around 80-100hz. Should have a subsonic setting also or similar.
Subsonic should be set to 1 octave below box tuning frequency
So if my box is tuned at 30 hz was gen I hat should I set my filter at
Manuel Barrientos generally take your enclosure tuning and multiply it by .75 and that’ll give you your subsonic. I would set your subsonic to around 22hz
@@mopar392ta3 if my box tune is 26, so i need to set my HPF filter to 19.5 ?
@@VidiSLTU roughly yes.
I always turn the subsonic all the way down unless my subs are bottoming out due to a oversized box or overpowering.
I have an Alpine PDX 1000 watt mono amp with a subsonic switch. Off, 15hz, 30 hz. What should I do? I had it set to off forever lol
Depends on the box tuning, probably 15hz to be safe
I have 8's box is tuned to 30hz my subsonic is all the way down. I think it sounds perfect to me. But not looking for high numbers anymore. Just nice clean sound
Subsonic should be set just below your port tune frequency. Any notes played on your subwoofer that are below port tune cause the box to unload and essentially your speaker will behave as if it is in free air. And that damages coils
So basically what you learn from this is turn your subsonic off
so i got mine 35 htz how i turn my subsonic
Use a flat head screwdriver
This great if you have a variable setting on your amp. Mine is 25hz or off! I have a sundown audio zv5-18 that plays down to 20 hz well.
I watched this too late😥😥😥I just blew my 13.5 w7...fukkkkkkk
How would I go about choosing a battery? I'm thinking of a amp that delivers 1500 rms (mono) and a 4 ch amp at 300 rms. I only want one battery that can also power two fans. Would I need to change the alternator and my electrical?
Big 3(4) to do of course and it would depend on if you want AGM or Lithium. If AGM I would go with a group 31 for 1,500 watt RMS System personally should do fine with what you're doing.
I’m using a PB4800 Energie batt as a secondary for my amp and it’s amazing. I’m running a VFL 2k rms amp with 2 Audiopipe bd2s and it works great also not super expensive
25Hz to Life I use a platinum series duralast agm for 2000.1 skar amp it’s been fine might add a cap just because I plan on adding light bars so for something like that you should be good without a cap but you could always add it for more stability
At about a half an octave below enclosure tuning, subwoofer output will begin to diminish. At just below tuning, the driver will begin to "unload", and excursion will increase. I personally recommend setting subsonic about one quarter of an octave to one half an octave below enclosure tuning. This will vary, depending on the slope of the subsonic filter being used. I am using a DSP which affords different slopes, or dB per octave. The steeper the slope, the lower you can set it without damaging your driver. Always remember that the lower in frequency you play, the driver will want to naturally move farther anyway. When making your adjustments, start out high, then work your way down, observing excursion and listening for mechanical distress. Cheers dude!
Exactly this. Thank you. So much bad information on here.
I look at my subs manufacturers and says between 25 to 30 for subsonic. I have skar evl 12s
I have a scar audio amp 1200 I use it on 2 12s how should I set my lpf ?
@@Deeznuts-cz3cs I got the rp1200 too on 2 12" SDRs. Did you ever figure out a good spot to set them??
@@Davidxll yes I did thank you I just need some new speakers ima check them out on crutchfield
Dude thanks for making this video. I been trying to explain to sooooo many people how much this matters and they act like since they can’t hear it do anything that it doesn’t mean matter and since most music isn’t playing anything that low then the sub or amp won’t still try to play those hz
I like how you built your truck around your stereo
Thanks! A lot more videos on the channel and more getting uploaded stay tuned.
so if tune to 30 my subsonic should be round 20-22hz ?
According to Jacob it would be 22.5. Multiply 30 x .25 and subtract the answer from 30.
What C Smith said is correct. Half an octave below tuning is a good guideance range to tune your subsonic to.
Bro i dont know what the fuck a hz or subsonic is I just wanna listen to some damn music in my car😭
It is a sweep you need to play music and adjust the subsonic because if the sub is moving to much in relation the enclosure it would disrupt the air in the port reducing higher tone output. Some people dont know that it is the air in the port that vibrates and make sound. Especially if the sound have low and high tone.
ou New Skar Audio EVL-10 D2 2000 W Max Power 10 Pouces Dual 2 Ohm SPL/SQ Voiture Ca
I have the Orion xtr2500.1dz amplifier and the subsonic filter is either 25hz or off... only thing I dislike about Orion amps
I have the same amp what effect did it seem to have and what style of music?
I just found your second channel 😂 time to watch all your videos, great info in them bro they help me out!
Welcome and glad to help Daniel 👍
Can someone help me out I have 2 12 inch kickers subs 1500 watt rms hooked to a kicker amp 1200 watt rms how can I know what my subsonic and LPF should be set on
Check my videos I show you how to tune; ruclips.net/p/PLkYp1Fj-99b0pFNxaohIxCaer8VxQVZ2j
I did check all your videos on how to tune I understand some what how to set mines because on the kicker amp they have Gain, Xover, and bass boost I don't have LPF or subsonic that's what is confusing me I even bought a SMD dd1 I still haven't used it yet I don't know where to connect the wires to work it 😂 im still a rookie
So i have this same amp on two trinity 10s in a series tuned 6th order. Im trying to get this amo tuned so bad before i mess something up. Any help is much appreciated!!
Amp Tuning help videos: ruclips.net/p/PLkYp1Fj-99b0pFNxaohIxCaer8VxQVZ2j&si=pJt7MYZZ_SGxSus2
Not once did you mention tuning for people running sealed.…
from my understanding you cant tune a sealed box.
sweet my solo 12 loves 1000 watts with subsonic off.
I have a amp that I need help tuning right. I have a power acoustic amp rcr1-2500d with a etype 12" alpine sub.
I need help tuning mine too
hi good the video can you tell me i want to put it in my wolkwagen passat 2001 Taramps HD 3000 1 ohm Amplificateur 3k RMS
+ Nouveau SKAR AUDIO SVR-10 D2 10" 1600 W Max Power Dual 2 Ohm 800 watts rms+ XS Power PS545L 800 Amp alimentation 12 V cellule 600 W voiture Audio AGM Batter ,is the battery good?I want to put this battery in place of my engine battery, is it powerful enough for the engine and the music?
That battery is only 17ah, not enough for what your doing. Also, I would go with a D series xs power like amzn.to/3Apw5db under hood & get a 2nd xs group 34 amzn.to/3Apw5db in the back as well if possible.
@@JacobViral2 good👍👍
I dont have variable subsonic so i keep it off 😅 ofc im going for the lows with my system✌🏻
You mentioned someone turned to 30hz would set it around 3 or 4 o'clock instead of 1 to 2 but the lower the tune, the lower the end result so wouldn't that me a 30 hz person would set it between say 11 and 12 oclock?
Was thinking the same.
Yes correct backwards thinking it seems
Thats a lot to take in, but it sound like u at least about ½ way know what your talking. Inlive in a city of 25000.people and im pretty much the only 1 i know that does installs except for a small few of pepole. None of them can put a system in to my liking. Im the only 1 i know who knows how to correctly do an install. Wow! Altho i am a music lover as well as a musician. So i do understand what your referring to when you talk about settimg the amp to tbe stereo gain ect.
Eat a faceful of pills, turn everything to MAX, and bang some Excision until something melts. There's my advice and I'm sticking to it! 🤪
My amp don't have a subsonic filter..
High pass filter do same thing ?
Two different settings, one for lower bass and one for higher frequency cutoff
Most subsonic filters are just a high pass filter and on many amps there's no mention of the slope. If they had a super steep slope they'd be great for precision limiting, but I prefer leaving them off and controlling low frequency extension at the deck. If your setup is loudest at 45-50hz for spl purposes, a Subsonic filter is the quick way to chop out the frequencies you don't want sucking your power away. For SQ, leaving Subsonic filters off is best IMO.
the way my system is having subsonic turned off sounds so much louder on my sub tuned @ 32hz and i play them low lows on my 12
Aaron bilger what do you play to
me too
You are not turning off the subsonic filter .all You doing is dialing the lowest frequency in the subsonic...not recomendable for every subwoofer out there...nees to be more specific so de New School dont get confused...
This will kill coils. Its not off its full range not all speakers can handle 10 to 30 hz range. what you set LP to the amp dont play below that setting freq.
Noticed you dropped .2 volts between the tests could that have played a roll in your lower db numbers more so than the subsonic filter
Good point may be slightly deviated but minimal
I only just played music and adjust the gain level i want on the Amps and also adjust the Equaliser on my head unit thats it.. No more dramas 🤷♂️
Great video, you have video on tuning for Sound Quality instead of SPL
I think what this is basically doing is letting your sub hit actual notes in the song instead of running around with a loud “Woooo. Wooooo” sound that might rattle your trunk lid but sounds like shit to everyone else. Lol.
What app is that
SSA Studio with the device
Brown Carol Perez Karen Jackson Jose
what is the name of the app you are using to tune the amp for subwoofer? thanks!
SSA Studio app but requires device
Never use subsonic
Damn good information hopefully this will keep some people from clapping their voice coils out lol maybe
Doubt it lol
Only on a class d amplifier and if your ported box is tuned to 45 hertz if it is tuned low it doesn't matter and you don't use a subsonic filter on class ab amplifiers
I have a jl 500/1 on 2 w3v3-8 & I have my bass section off but now will have to look into this
Those amps have the most damn settings lol I have no clue I had my old jl500 tuned by custom sounds
finally , i thank you for this video, South Africa approves
Is the spl meter a downloaded app on your phone? Is it accurate?
Requires a db device meter. Ssa studio app but only works with meter
Bro dont touch that, unless youre running 10s or 8s...12s or higher leave it off
I set my lpf to 120hz for the type of music i listen to its the best but i dont really know where i should set my subsonic im running 2 12s . The subsonic on my amp goes from 20 hz to 50hz hope u can help me
What is box tuned to on the subs? Tune half octave below that
@@JacobViral2 not sure i just know its a ported box and its pretty big to i have them in my tahoe
Its a squared dual vented sub box for 12s not sure lol what its tuned to
I need help, I got a phoenix gold rx 2 500 amp with power bass 12”subs, first time getting a sub and amp, and I want my bass to actually hit. I keep seeing videos, yeah they explain the frequencies, gain, sound, etc. but what I’m looking for when tuning is what do I need to turn and adjust for more BASS, idc about the sound, distortion, loudness, etc, my main goal is BASS. Do I need to upgrade my amp to get more bass? Play with the knobs? Or should I get new subs and amp??
lots of variables from your box, port tuning, music played, electrical battery/alt power supplied, amp rms rating, subs etc. I would say you need to consider all these and go from there. Feel free to message me on instagram/facebook jacob viral and I could give you guideance
What app are you useing
SSA METER WITH THE DEVICE
How can I find out which subsonic level is right. I got a box from a friend is there a way to find out like visually or through a tone test
I made a video on this the day after this one you should checkout ;)
@@JacobViral2 will do
Very useful information,I need more learning on this but ,I do have a ear for my adjusting however to know the correct way is always the best way.✌🏾Thanks I will be watching this again when I retune my amps.
By using your instructions i just randomly guessed on each one and it exploded. Thanks
glad to help, thanks for watching my daily videos and subscribing!
I gotta find my vote meter so I can do my wattage calculations!!!!! Thanks buddy 🎉🎉🎉
Shouldn't it be set to speakers specs not encloser tuning, bc bandpass boxes can be tuned way below the specs capable perimeters and still put out sound of tuning? Teach me right, I'm trying to learn this twisted electrical stuff,lmao
I believe you have to go by the box tuning because it changes how the speaker behaves. Watch it when it gets close to the tuning frequency and you will notice it barely has any excursion, any speaker you put in that enclosure should behave similarly although the sound can be different. It has to do with the air pressure inside the box. Anything below the will make it move further and further fairly quick . If it goes too low if the subsonic isn't adjusted, it pushes the speaker past xmax and it starts bottoming out or wrecking the coil. I'm tuned at 34 and set mine at about 25-26
Sweet!! Because it’s on the Amp for a Reason.👊🏾💪🏾🔊
If that’s the case why is there bass boost if “it’s bad” lol
I have two Skar Audio 12s ported with a 1200 rms Skar amp box is packed for 40 hrz what should I set my gain and subsonic to
i think you would want it set to about 30hz if you're tuned to 40(half of 40=20 half of that is 10, subtract that 10 from the original 40 that you're tuned to).
People that use tools instead of setting by ear music sounds like crap... That’s why when a shop hook your music up its doesn’t hit hard.
Ok
You talk way too much smh
My box tune is 26 hz, so i need to set my HPF filter to 19.5 ? Yes ?
Subsonic yes if it’s truly 26hz tuning
So how do you know what your box is tuned to???
I have a ported box tuned to 32hz if I done the math right I would set mine to 32hz right
32÷.25=128 128×.25=32
@@chrispuckett1347 should be around 20hz I belive.
@@alanray7177 it should be 24
32 x .25=8
Then 32-8=24
Jacob I have a power aquatic sub n amp the 2500 ones. And a walmart 12 sealed box. But can't tell what its tuned at. Could you help
I made a video that shows how I do it: ruclips.net/video/amnD9UJwxtM/видео.html
I have a sealed box my amp don't have adjustment t1500 fosgate should I turn it on or off ??? thanks 👍
So my box is tuned to 35 hz so I would tune to 1/2 that 17.5
No, it would be 26hz
@@JacobViral2 thanks bro
So u gotta pretty much guess ur subsonic hertz? Like from the notch you just go to where you feel it’s supposed to be at and where it looks like it’s at?
Within afew herts to be close yes without devices like amzn.to/3DcK6tG
I have a question so as u where saying u wanted to have the subsonic half of what the tuning should be so if my box is tuned at 32 hertz would I want the subsonic at 16 hz ?
Quarter octave, so 1/4 drop from tuning