The ultimate TUBE TEST! Can you hear the difference?
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- Опубликовано: 27 ноя 2020
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German Metal producer Kristian Kohle makes the ultimate test to find out how much vacuum power tubes change your guitartone!
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Photos by Kai Stahlenberg 
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Who can hear the difference and does it matter to you?
For me the difference is in the way the amp reacts to your playing, if you want a change in tone just turn the knobs out front, in terms of preference, I've liked EL34 is the past so I've just stuck with those on my tube amps, but then again my current rig is solid state so what do I know?
Would it matter to you, if you could use EQ to make one tube sound like another? Kristian, I think it would be an interesting video where you use the Isotope EQ matching feature to see if you really can Eq a 6L6 into an EL34?
I can hear it, yeah. This is exactly how much I expected it to matter - which is to say, some, but not a ton.
I can hear the difference on the rectifier better. The difference on the bugera is harder to hear and for me only a very subtle one. I'm sure I won't hear any difference in a full mix. I would bet the difference between two amps of the same series is bigger then between those tube type in the same amp.
I can definitely hear the difference, and it does matter to me! I know how my amps are supposed to sound, and even changing tube brand makes a difference...it happened to me! Cool video, keep it up!! 🤘
What an incredible demo! I love the subtle differences! I personally think it's something I notice A LOT when I'm playing and that is the most important thing for me! As guitarists great tones inspire us! Great video Kristian!!
the subtle differences are differences in volume. thats it. tubes are no eqs
@@asdfjkl981There's also compression vs harmonic generation levels and balance, intermodulation distortion levels, impedance-based HF ducking within a given circuit, S-Curve response, and electrical and mechanical resonance levels. I think that covers it.
@@GCKelloch nope
I love how people say "this won't make a difference in a mix" every mix is so full of absolutely minute changes that won't be directly perceived by people but it's the combination of many in elemental changes that makes the whole sit right. Tubes contribute to that.
Not saying everyone needs to change tubes.but it will matter to some people and will have an effect. That's good enough.
Whether it's worth splurging on or not is a personal choice.
Totally! however, most people that care about tubes, are the ones that never record themselves. Any 1 db boost or cut with an eq will do the trick. Great comment though.
I think that peak optimum tone as a theoretical thing definitely involves the tubes, type and quality. But, for any given track, I bet that a very high percentage of non-musician listeners won't notice the difference. That's because (imo) the difference is mostly musicians being esoteric -- which is great and makes this hobby and pursuit of tone fun. I believe the biggest differences are in how the guitar player feels when playing. Like they say, poets write what they need to write, not what people need to hear -- it's kind of the same thing.
Suddenly a wild Glenn Fricker appears and starts screaming.
😂
Glen is so wrong lol. Not sure why he can’t just use his damn ears. Just get an amp that allows for swapping tube types, and you can clearly hear a difference.
@@DemonKingOFFICIAL his test was done with preamp tubes. Not power amp tubes,and there was indeed no difference.
SCIENCE!!!!! Lol that’s what he would scream
@@sentientcloroxbottle1557 It kind of depends in my exp. In my stealths, the preamp tubes don't make much of a difference, so the stock tubes are recommended.
In my block letter, most of the differences between tubes are quite small, and mostly in feel, unless a different type of tube... Small tonal differences exist that might not show up well in a recording, going through an sm57 that pretty much filters out some info anyway...
However, one tube that seems to make a pretty big difference in my opinion is using the Shuguang Beijing square foil getters. Maybe that's what he meant by "original unbranded," and it does seem that they *ALMOST* null with the modern shuguang 12ax7 but... The Beijings are brighter and have more gain than any other tube out there. As per James Brown, the amp was designed around that specific tube, so if one thinks their block Letter sounds a bit dark or too smooth, that's a first place to check.
Interestingly, that tube makes no fim diff in a Stealth, but it might be that the design of the Stealth filters out some of those frequencies.
Now... In my 1984 JCM800's, the differences between all sorts of tubes is more apparent. RFT's have saggy, chewy attack and Shuguang Beijing square foil getters give you sharp, searing, razor-edged highs.
Depending on how you use your gear, this could all make a diff or not... And in a recording it might make less of a difference, because of the extra filtering inherent in microphones and recording gear.
And with that said, tubes won't change your life. They won't make you magically Jimi or EVH etc..
You know what I really, really like about Kohle? He is the nice guy that just shows whats going on. He doesn't try to force a result into the tests he is doing. And most important: He doesn't scream his own opinion all over the place. He just let you judge by yourself. More youtubers should be like you, Christian! Thank you so much for the high-quality content you're posting here!
The Video Glenn Fricker did about tubes was horrible... And as you said: There is a difference. Maybe its small, BUT ITS IMPORTANT!
No idea what you're talking about :)
Haha! Now let’s fight Glenn! 🤪👊
@@SpectreSoundStudios Someone has to scream on RUclips, please never stop :D
@@SpectreSoundStudios Well, I think we both can agree, that there are differences in the sound. Just as Kohle said. I really don't want to offend you, Glenn. You did some really awesome mixing videos. But I'm with Christian Kohle when it comes to the topic "tubes". I even rewatched your video on this topic. You clealy say: The change in your tone is most definitely not worth the cost of re-tubing your amp. Yes, to some degree this may applies and I'd maybe come to the same conclusion with the test results in your video. But when I see the results Kohle gave in his video, I think there really is a difference that is worth mentoning. I kinda had the same results when I changed my TAD-Tubes to cheaper chinese ones.
Yessss!! Been so excited to get your take on this. Keep rockin out the good content dude!
This is flat-out the most useful metal gear channel on youtube \m/
If you want to get really crazy, you can adjust the tone controls of your amplifier. ;)
@* That's true. I have amps with pretty much every popular power tube, and the feel is different, but very, very minimal in my opinion, especially when in the same circuit (amp). Changing a pickup, pedal, guitar, or speaker, even just the volume, any of those factors have much more impact. Still, a cool demonstration and one more factor in the constant pursuit of our "perfect tone" we all want.
@@KeganVanSickle Most of the amp brands have a sound signature that has nothing to do with the tube, its do to manipulation of the signal path. There is absolutly no reason for a amp tube to be different, they just amp the signal, they do not change it unless they are saturated or malfunctioning.
Best and cheaper way to change the tone is to use the knobs of your amp :-)
@@josearaujo8616 tubes are different in gain and saturation, but also in quality (microphonic or not, sensible to electrical noise around it, etc) and have different input capacitance, making them sound more or less warm.
But yeah, a simple cap change in the around the signal path would probably make much more difference in tone
@@Ph4nToMfr Not saying tubes are not different when they are working outside of their efficiency area, but hey are made to amplify without distortion of the input, if not they would be useless.
@@josearaujo8616 they are made to amplify with few distorsion, but they are far from perfect
I literally saw the sky get darker during the video....thank you Kohle for using your precious time to make these videos to help us. really appreciated
Dein Kanal ist echt Gold, auch für mich als Audio- und Rock/Metal-Freund ohne Gitarrenkompetenzen. Macht echt immer wieder Laune mit dir. :)
Didn’t know that there are so many tubes classifications. Hell, i can only afford a Boss Katana. I learn something new today. As always great content! Keep it coming Kristian!
Great experiment, good to have a reference point for e each valve classification.
Nice to hear the Bugera as well, definitely an amp to try!
really love that test and explanation of the difference of tubes
Great video man! Being an amateur tube amp modder, I have spent more hours than I care to admit trying tubes and comparing! It’s worth noting that which amp you’re working with with make a huge difference in the way the various types of tube reacts and responds both in tone and feel! There are of course so many other factors that can change the way the different tube types vary such as power tube bias. I could go on and on but definitely worth trying different tubes to get some different tone out of the amps! Loved this video!
Super! I am just going thru all of your videos. It gets better every minute! Thanks!
Welcome! ❤️🍺
0:18 That LITTLE stop just hit so hard. Goes to show that it's not always about what you do play, but what you don't play that really gives feel, too.
Dude. This blew the roof off everything I thought I knew about the difference between 6L6 and el34 tubes. This was a really fun watch! Thanks a billion for this!
You’re welcome! ❤️🍺
Good video. I agree with most if not all what was said. EL34 for singing leads and rock n roll, 6L6 for metal rhythm to get that size and clarity in palm-muted stuff. Very cool that you tested them cranked as well.
I always favored the 6l6 tubes. They all have good character to them.
Glenn Fricker has entered the chat...
I was looking for this one he just did a video on them for those that don't know
it's only really funny if you don't understand the difference between switching brands of the same type and switching the tube types,
and apparently quickly left the chat since he deleted his comment lol
@@hogblockula9335 lol
This is one of the BEST and educational RUclips channels EVER. Period. I really love it.
Thanks man! Spread the world. There's quite a few people left missing this! ;)
I closed my eyes so that I would not know when the tubes were being changed and could not hear any difference in the audio whatsoever. I really like tests like this! thanks for putting it out there!
Great video, as always. I like how structured every video is that you make. Looks like I have to take a photo now. I can't miss the opportunity to get a set of tubes for those damn expensive 100 Watt machines. ;)
Great Video as always
I can't add anything new to previous comments, but EL34s sound unexpected good for solo stuff in Recto. Thanks to Kohle for such educational videos that make many assumptions clear (die auch nicht umsonst sind) after getting tube amps (im Haushalt).
I still love the EL34s the most. Thanks for the TAD tip-off! Take care :)
Great comparison and very informative! I love the sound of the cranked 6L6 in the mesa and the Bugera sounds great anyway!
Such a subtle difference. After watching SMG Studios' video on tubes, I'm more worried about a tube's longevity.
Same, I watched SMG video first. I hardly heard a difference if at all to be honest.
Subtle but important. Kristian’s ears are much more refined than Glenn’s. If Glenn can’t hear the difference then that’s probably why he hasn’t mixed many successful records.
@@seamusmcsorley7638 You may be correct but It is possible that Glen used a dark speaker, meaning that it didn't have much high end reproducing capability but I don't remember what speakers he had in the test. I also didn't like how Glen ran his test through a load box instead of a real cab and real mic which I think gives more of a true representation of the amp do to the dynamic nature of both. Loadboxes are handy but they are pretty static in the equalization and any real mic cabinet always sounded better in my opinion.
To me, it seems like changing power tubes is something you do when you are already mostly satisfied with your tone, and are looking for a little extra refinement. It's one of those things where if you are inherently dissatisfied, you're not going to solve the problem with a new set of tubes. It's just an extra push on something you already like.
Durability and longevity matter too. In my experience Tung-Sol 7581A tubes outlast any current production 6L6GC tubes.
Same is true for EHX 6CA7 and Genalex KT77. They have far better longevity than other current production EL34, 6CA7, E34L and KT77 tubes.
Many tube amp owners often lookout for military issued tubes because they are more ruggedly built than consumer grade tubes and are able to withstand the rigours of live tours better.
It made a huge difference in my amp, but the tubes were really old. Tubes are light bulbs. They dim, and red plate etc. But if there's nothing wrong per say, why swap them out?
@@Maschine_Elf I've never really tried 6l6 tubes, but have been jumping back and forth between some different brands of EL34 tubes over the years. I recently had some issues with Tube Safety Control on my Hughes and Kettner and had to send it in to the repairmen and they put in some Electro Harmonics El34 Eh tubes and I had been using Tad or JJ, or some Mesa EL34's and I must say the for the speakers I'm currently using they rounded of the high frequencies nicely for my bright amp, pickup, and speaker combination, compared to the TAD EL34 I was using.
This was exactly the tube test video that the internet needed!
Great demo!
I fucking love your videos. Informative, greatly made, and you are skilled in what you do. Nice tones, nice riffs, great content overall.
Thanks for this comparison!
Bigger difference than i expected
another so greeeaaaaat comparison video ;) thank you so much for doing what I'm not able ;)
You‘re right... TAD are amazing....
I love they Tubes in my Laney AOR Series one.... ❤️
I really liked this video. I would love to see a video comparing tube brands. I’ve heard the same amount of tone change from changing brands
There are differences yes subtle its all about the amp,the preamp shapes the soound for,the most,part and the speakers will give you the most,noticeable differences its a tricky thing,to the guitar well pickups,pedal amp tube cab speaker Mic so on that takes a wealth of knkwledge thats what i love about this guy he has the know,how and pushs us past the learning curve
Thanks man!
My Matamp’s are very sensitive to the gain of the v1 preamp tube and switching to a balanced 12AT7 in the phase inverter made a bit of difference with tightening things up. I found it was more sensitive to how I biased the power tubes more than which tubes of the same type (EL34) but the difference in the power amp was more noticeable with the volume cranked (which is how every Matamp and classic Orange OR should be played). I heard Dave Friedman say the circuit matters so much more than the power tubes being 6L6 vs EL34 and I’ll trust him. Speakers, cabinet construction, mic choice and placement matter much more.
I'm glad you did this with real amps and real mics, because I don't feel that modelling amps really have the widest harmonic content compared to them. I also feel that if you have different brands say Electro Harmonics, Tad, and JJ you get even more of a drastic difference in sound. You should really consider doing one of these showing the differences between the three tube amp manufacturers. This doesn't even take into account shaping the sound with your preamp tubes, which can have a effect. Changing out one tube or such won't do much but if you shift them all from different tubes types and manufacturers it can. Not if your speaker is super dark you might not hear much difference, but if it is bright and you can hear the shifts in high end or whether one tube is more scooped in the mid's.
wow! very interesting. I agree the el34 are more warm mid and the 6l6 are a little more glassy in the highs. I never noticed the cranked amp sound was that different now I need to test my amps at lower volumes. Thanks very much for sharing!
Glassy is a nice description!
Another superb demo here. I've seen one or two videos previously about running EL34s in a Recto but this time I really liked the results. Might have to try that in my Rectoverb combo now, I like how it tames the fizz a bit
Thanks! And yes, those 34s tame the fizzle if that's what you want.
Awesome episode!! I am glad you added the cranked versions!! It is simply good to know, there are so many guitarists who don'T get why metal amps have that many watts and so on ...
I have neem preaching that for years! Power means more headroom for tighter chugga, chuggas!
@@KohleAudioKult chugga chugga goodie goodie!! ^^
Different Tubes have different properties. They change the "reaction" of the circut. On a different circut design they may behave differently. So I would not expect that a difference on the mesa is the same in other amps. Maybe its interchanged and one tube sounds darker there.
What I wanted to say is, that the sound is NOT in the tube, but in the whole circut. And if you change a component in that, than the sound (may) changes.
Maybe you could achieve a similar sound difference when you replace a resistor with one that have 5% less or more Ohm.
I dont think that tubes have a different frequency response in the audio range. If we would talk about MHz thats a different story. I mean frequency response based on the working principle itself. Different capacites, inductivities and resistance and amplification factors can surely have an effect in the circut. Just like longer cables reduce the highs due to higher capacity.
But cool video again.
Great video! Been a fan of the el34 in the recto for a while! I like how it compensates for the Mesa's scooped sound.
Exactly! It tames that Recto character in a good way.
I also like EL34s way better than 6L6s in a recto. Sounds way more focused.
Great points made both for and against, thank you!
Ya' know something, I have used, and gotten great results playing tube amps and SS/digital amps both on stage and in the studio through the decades, and in my experience, tube amps work much better for me on stage, likewise the SS/digital stuff is superior in the recording studio.
I LOVE your videos..very interesting...congratulations from Spain!!!!
Great vid, I think the difference between the el34 and 6l6 you'd definitely hear in a mix. Essentially you'd have to eq the 6l6 less to get rid of the mud!
Yep, exactly what you said. I would also like to add to check the dimensions of tubes before buying them, or to check the distance between tube sockets because in my case (PRS MT15) I can not use KT66s as there is not even a milimeter of space between them when installed in the MT15 ... so keep that in mind, I will be selling my KT66s. And yes, the sound of the KT66s is basically the same as 6L6s.
Great comparison examples side by side! For preamp tubes, the gain structure is effected more. When I change Mesa Boogie Triaxis from JJ to Mullard NOS (both 12AX7), the difference is more obvious than your Poweramp case. (Sorry for mentioned other brands, get to know Tube Amp Doctor from this video.)
this type of videos are vey important, it teach us to hear. To improve the most important gear: ear
Nice! That’s help me! Thank you!
3:54 Someone please create the meme! LOL! I love you Kristian! Don't ever change man!
Best channel ever!!!!! And trust me the emails are actually wicked awesome!!!
Dooood...that diddy you played at 0:06 had me cheers my beer to the laptop screen. Also, like the T-Shirt by the way.
I prefer using EL34 amps (not marshalls tho) and use really high output pickup and boost infront of the amp, this way I get that nice bite and also that open tone! awesome video !
Great video comparison! TAD is good, but I find various manufacturers also sound different, kinda something you have to research, and take into account when you realize what you want from your amp. And with some amps, you don't hear a big change.
I noticed a slight difference in my Peavey 6505+ head I changed from Groove tubes made in China to the Russian built Mullard tubes and the Hot lead channel to me was a lot more nicer sounding and less noisy meaning the highs were more controlled being more defined that is the difference it made in my amp. Cheers Kohle
Very intersting video, thank you for making this video :).
To me, the difference is very small but noticeable if you change "Tube family", the various 6L6 related tubes though are so similar to my ears, I don't think it really matters which one of those are used.
That beeing said, I would have loved to hear Blind A/B comparisons, maybe with some null tests as well though, as the human brain is very easy to trick once you know which is which :D
I appreciate your professionalism. My Harley Benton cabinet with V30s sounds pretty harsh with my triple rectifier. Maybe I should try EL34s. Great content!!!!
6L6 vs EL34 sounds to me a little like the difference between coated vs clear Emperors on a 12-inch tom. The top and the 350-700hz range change.
I have an Egnator Rebel 20 amp head (among others). It has a tube blend knob that blends between 6V6 and EL84s. The differences there mirror your 6L6-vs-EL34 experiment. I often find myself using the middle of that adjustment as a "midrange character adjustment." It's not night-and-day but it definitely pushes tones towards my end goals!
Great video, to the point, scientific and funny !!!
I'd love to see this experiment with different preamp tubes. My favorite manufacturer makes 12AX7 tubes in various types that emphasize different frequency ranges. Power tubes on the other hand are all designed to be as neutral as possible. I have one amp set up with tubes with a midrange focus and another amp setup with full range tubes. The difference is more dramatic that anything I can hear based on power tubes.
I recently switched from Sovtek tubes to Russian made Mullards for output valves. I could hear a difference. In both tone and headroom. I played guitar and played the Beatles from my music player through the amp for the test. It was then that the differences were really noticed. I chose well. Very happy with my old Peavey Classic Stereo 50/50.
I liked that amp back then!
@@KohleAudioKult I drive it with amp styled over drive pedals. DIY PCB project stuff. Sounds killer!
Great video, as always Kohle :) l'm keen on your IRs - when are you releasing your pack?
Great test.
Thnx man
Hey bro , I really enjoy your channel, keep up the great job
I will! Thanks! 🍺❤️
There is difference. But what most people fail to tell you is that they feel differently(at least it does on my Triple Rectifier) I bought mine and it came with the 6L6.I used it for 2 years like that and eventually swapped out for EL34s and it felt more compressed and tighter. I liked it more and have been running EL34s for 9yrs. But the biggest with the recto is cranking it up. It saturates a whole nicer in my opinion
I only use TAD and JJ tubes in my amplifiers. I've tried different tubes and for some reason they seem to perform tone wise in way that suits me. Probably just my ear, and the fact that they are good quality.
I am surprised how much of a difference it actually makes! I was quite skeptical when reading through the comments before hearing the actual sound examples, but WOW!
FYI - I'm listening on some very nice Genelec 8030 Monitors so I can be sure that I am hearing all of the necessary details. I suppose the difference is not as clear when listening on some cheap monitors or headphones.
Danke das du dir die Zeit genommen hast die Vergleiche zu ziehen Kristian!
I think I much prefer the 5881 with this rif/example. Very clear sound and has a nice bite to it!
Good to know people still hear the details!
Surefire way to make your guitar tone better: improve the bassist's tone
I got Mammoth for bass and my guitar tone’s never been better
Bass players are so underrated lol
Exactly!
Totally agree!
As a bass player, I endorse this message.
hi. in my personal experiments i could notice some differences on only on 6l6 or EL34. i notice a big difference in warm tones changing the brands . Of course. i have my favorite brands not only on tone but in durability.
Hi Kristian, thanks for this interesting video. I bought the Hughes & Kettner ATS100 Twenty last Saturday and the previous owner told me that I really need to swap out the preamp tubes. In case you're wondering why I bought this thing: It came out in 1988, since I was still a student at the time, I couldn't afford it, but I wanted it because some guitarists played it that I liked. I found it on eBay and picked it up straight away. 🤘🏻🤘🏻🤘🏻🤘🏻
I wish we could've heard more of the KT88; they're awesome in metal amps
Yes, different tubes do make a difference in tone. But it’s really pretty small. Where I notice the biggest difference is in the feel of the amp. Tight vs looser. Now it compresses in the low and low mids. The transient attack in the highs. Speakers make the biggest difference in tone.
Cool. I think I need to learn to bias myself, so that I can have my own nerd fest. Now I got to go to the tech each time I want different tubes. Just went from EL34 to EHX 6CA7 in my Marshall JCM900 SL-X. I think it gave a bit more low end. But it's hard to compare after not having it for a week.
If you use the TAD tubes you just have to bias once. Then just order TAD tubes with the same values and switch between compatible tubes without any rebiasing.
@@KohleAudioKult Awesome, I definitely will try that!
I love throwing EL34 in a 5150 or 6505+ it compliments that head which is naturally really bright almost too bright but with those tubes i find it to be perfect
I supose, EQ tweak might give you same tone despite differences in the tubes. If that the case, there is no reason to mess with the tubes and leave it to amp designers ;)
I also think that for the normal guitarist without tons of equipment the question of how EQ could compensate would be very interesting :-) Still great ear training though, thanks for the video.
@@q11v Easy method. Get the frequency response curve and then EQ your gear to the same curve. Get the sample of your favorite tone, play the same riff on your gear and try to match the EQ curve.
I replaced the 1 tube in my Rp7 valve effects proessor, and there was huge difference, it was even the same type of tube a 12ax7 but a different brand a JJ . Maybe since there was only 1 tube in the chain the difference was more pronounced, but i was really surprised how the saturated setting tighted up and became usable as a metal distortion whereas before it was a just a fizzy mess. That being said the cleans dont sound the same as i remember, they had a nice chime before that seems to be missing now, I could be mistaken so i'll put the old tube back to to make sure eventually. Kind of makes sense if a tube is good at distortion maybe its not so good for cleans and vice versa.
The KT66 is the British version of the 5881. Used by Marshall for the second run of the JTM45
Great vid, very good explanation straight to the point, and i loved to see not only super expensive gear, thanks for the share knolege
Thanks! I’ll try to add some more good sounding low end gear!
@@KohleAudioKult that Will be great thank for your answer
@Kohlekeller Studio
Important to know: Mesa Color-Code has only the sense to clearify the pairing. It means nothing in sense of tonal or parametric differences. Because you should always put matched tubes in pair from the outside to the inside. Mesa already clarified this.
Much bigger difference on non-M/V amps without cascading preamp gain than on high-gain amps, but you do hear differences in gain levels among different preamp tubes. Sometimes that alone can be good for adjusting the hair on an amp when EQ won't do or has a different effect than desired.
Maybe you can do a comparison of tube sounds with or without led illumination at April 1st ...
Really cool video of showing the subtle (or not?) differences of the power tubes. Will there be one more focused on preamp tubes? :)
Yeah. That's on the list.
I used to be kinda bummed my first version Mesa Rect-o-verb didnt have the option to swap El34s for the standard 6L6 (that option was added in the 2nd version), but after listening to this, Im fine with the 6L6's. Thanks for doing this video.
Did the Rectoverbs really come with EL34s?
I thought the brandnew Rectifier was the first one with stock EL34s.
@@KohleAudioKult Sorry, I worded that shittily. It has 6L6's, and does not have the option to swap in EL34s like the later models.
I think the thing that makes this video better (if anything) than the @SpectreSoundStudios video is that we're hearing the same segment of guitar performance in the A/B comparisons, playing the exact same part on the different tubes. In Glenn's video they switch back and forth as the mix keeps playing. It is the same performance, but you never hear the exact same phrase played through the different tubes. This has been my main, and really only complaint about how Glenn does comparisons. But I think this video could have also benefited from a null test.
That said, watched together this video and Glenn's give a well rounded perspective on the subject of tube differences.
Seems that the subtle difference is negligible compared to what can be done with EQ-ing, pedals, or most importantly, different speakers.
Cheers mates! 🤘
Well spoken! I still don't care about null tests, but yeah, well spoken!
Great comparison. Easy to hear, even on an ipad
Damn right they do!
Can you tell where was the master volume on each setting? "Normal" and cranked.
Thanks.
So two observations after watching this video, one, it's a really great riff off of what Glen Fricker did where he compared two sets of the same type of tubes, I love the direction you took considering my amp has a switchable power section so it makes sense to understand the differences between different families of tubes. The second observation is that I've been considering buying an attenuator so that I could get that "cranked power section sound" but after listening to the difference, maybe I don't really want that sound, I like the preamp distortion better in my Triple Rectifier. You may have saved me a little money! :D
Thanks man!
It is really important to have a really clear A/B comparison. I want everyone to be able to understand what I'm talking about.
And yes, cranking power amps for metal is not that good. On other amps it's typically even worse! The Recto with it's scooped sound can get away with more poweramp distortion.
I bought a Dual Rectifier last year, but almost didn't because the 100 watt tube heads I had owned previously were mostly unusably loud. The Dual Rec actually sounded good even at apartment friendly volumes. My 100 watt Carvin and even my 30 watt Budda both need an attenuator even for playing live, but the Mesa sounds good anywhere on the volume knob.
Watched Glenn Fricker's tube test. And like this , just subtle differences. Don't know if it would matter in a mix? Fascinating tests though.
Subscribed along with another donated soul. Very well done video. 🤘
My experience with Bugera 6260 pre infinium 12ax7 preamp tube swaps: It came with 3 same older Sovtek 12ax7 tubes, lacking more info on them, 1 Sovtek 12ax7wa, bit different than other 3 and 1 Marshall ecc83. When I am swapping them I can notice better or worse gain response on high gain channel. Only one configuration is what I like. Rest is too much gain even from tele's lipstick, hard to get good chugs. No change in tone itself but good, tight response vs always too much sizzle/not enough gain and very narrow gain sweet spot.
I swapped my 6l6s for EL34s for the reason you could hear in the first comparison.
Fantastic!! Great shit, loved it!!🤘🤘🤘🤘
damn! all your videos are cool!! i love your brutal tones , so fun to watch, hail tones brutality! i always use good earphones and a good beer, congrats!
In some cases there are differences, but they are very subtle. All those differences will dissapear in the mixing so... The holy grail tube search was over some years ago for me. I use reliable tubes from trusted brands and that's it.
Like the El-34 for the hi-gain and the 6L6 for the clean sounds...