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Well excecuted. Thank you for taking the time (and £££) to do the video.

Thanks for doing this comparison. I have one of these speakers laying around and the big complaint I have about the Katana is the harshness you're referring to. It sort of disappears in the mix when I play with other instruments but practicing by myself sometimes it can drive me nuts. Doing this change right after I finish this comment.

I have a high end electrostatic headphone amp. It came with PSVANE EL34 tubes, I switched to Mullard XF2s, then Electro-Harmonix 6CA7. Of the 3 I like the 6CA7 the best

Apart from the speakers that have their own sound do you think that the Triamp Mk3 is in general a scooped sounding amp or can be tweaked to cut through a mix? Thank you. 👍

The ecc803s and the Telefunken sounded great. If you get a chance try an ecc81( 12at7) in the phase inverter, it can open up the high and low end giving a broader tone( in most push-pull designs) . Thanks for sharing.

Does channel 2 go through v1 as well?

Damn man, thanks so much for taking the time to figure this shit out Just picked up a MK2 Limited Edition, and you saved me so much time trying to figure whwat does what

I enjoyed your playing and love your Triamp. Was the high gain riff a dream theater song or one of your own riffs?

The 5881 sounds more like the EL34 when pushed. 6L6 sounds like a scooped dud of a power tube. Great video..

Could you confirm what the stock tube that comes with studio channel actually is..? i bought a second hand and it has a cheap Shuguang i think?

Great comparison! To my ears, the JJ ECC83s sounded the darkest and the Tung-Sol sounded the brightest, while the Mullard CV4004 was right in between them. The JJ E83CC sounded like a beefed-up (more low-mids) CV4004. Comparing the JJ ECC803s to the ECC803s Gold Pin version, the Gold Pin version seems to add back the low end that the long plates attenuate compared to the ECC83s. The ECC803s Gold Pin seemed to have the fullest range and was the loudest of all the tubes. I believe there are some structural differences between the standard JJ ECC803s and the Gold Pin version as well making them quieter and more durable.

I think the Genalex Gold Lion stood out nicely.

Telefunken black diam.el 34 winer

Another Triamp owner with a question! Thank you for the great videos. I just picked one up and I’ve got a 60 cycle hum on channels A2 and C2. The guy I bought the amp from told me it might have a bad filter cap but the hum isn’t present on every amp just those two, so I figure the issue’s more a tube one. Am I mostly correct in my assumption? I’m gonna have a tech look at it anyways but i figured if I could save some money by swapping out some tubes I’d like to do that first

Excellent Demo! Subscribed

Can you tell us where you run your bias currents?

Are these balanced tubes or does it not matter?

looks like youve researched online and not in real life. talking about 7025/12ax7a or cv4004 in modern tubes is plain stupid, it means nothing just like the sprayed gold pins ,pure bullshit. don't mix vintage and modern, you compare tubes with different gain ratings so the results are random. get a tube tester if you want to isolate the tone. get some vintage tubes if you are after the best tone. do you want to compare 13 chinese pickups? for real info i suggest reaching an expert ,otherwise you have no idea and you can fuck around forever with tube rolling instead of solving the problem.

John Suhr and Dave Friedman both say JJ tubes are crap. I assume they mean ''as of late.'' These guys are a a couple of the best amp builders around. They claim Electro Harmonix matched tubes are the way to go. I do have a set of JJ matched EL 34 power tubes that are from about 10 years ago that I'll be trying in my Suhr SL 68 this week. BTW, I'm using my wife's account to post here.

Most Telefunken EL34's were made by RFT! ......... TFK made EL34 have wings on the plate.....and round holes. New TFK tubes are infact JJ tubes !!!!

very helpful dude, this is exactly what I've been looking for. a very "no BS" video and I love it

Great job! Thanks!

I think the jj5881 might be the most reliable power tube for guitar amps that take 6L6 and el34 types. The physical construction with all the support by those mica wafers combined with the small bottle size makes for a consistent and robust tube.

I have one of these and I put a Wazacraft G12W in it. Uuuuge difference.

Is it normal to see a little blue glow in the tube while playing ? I see that glow every time a “attack” my guitar.

Learn to tune the guitar before do speaker swaps. Your ears are not good enough to hear speaker differences if you can't hear you're out of tune!

the first one sounded the best JJ ECC83s

Funnily enough, at high gain the 5881 tube is supposed to sound like the 6L6 but it actually got the loudest upper-mids out of the three tubes

6CA7 for me; it seems to have a lot more dynamics, like you can feel the pulses of the chugging more rather than the relatively flatter range of the others

I’m surprised to hear that the Clean section goes through V1, V3, and V9 as opposed to just both sides of V1 onto V9. Does V3 contain a tone stack driver or something?

What happened to the lights on it? Dead?

This demo is better than most at accentuating the differences! Normally, I'm too wordy in my descriptions, so in this case I'll just say this: 6L6: balanced and smooth EL-34: pointy and authoritative! 6V6: smoother than EL-34, but a bit more pointy in the middle than 6L6. This is exactly why I love 6V6 tubes. That folks, is why after having quite a few amps over the years, I recently bought a 6G3 Brownface Deluxe clone...to replace a real 1962 Brown Deluxe I stupidly sold in the 90's!

I have a same guitar but royal red. The best guitar I have ever owned and play. 🤘

Tung-sol 🤘🏻🤘🏻🤘🏻🤘🏻🤘🏻🤘🏻🤘🏻

Interesting. I have allot of Euro and American NOS and about 100 assorted newer production. I have found quite by accident a tube listed as 6N4-J being my favorite. More research led me to these being China made 80s 90s tubes made in the Beijing plant before closing in 1996. 2 idetifiers are the square foil getter supported by 2 leads also the middle spacer is round. I have been finding these marked as Mesa 12ax7a, fender, GT, National, ARS, Peavey Super 7. I have been shocked by the way my Mesa gear has responded. I have several China 12AX7B and C with Octagon shaped middle mica spacer and halo getter and they sound nothing like the early square getter version. I can see why in the 80s and 90s these came equipped in the famous amps from Mesa, 5150, Soldano etc. Even installed some in a Carvin 120 and Peavey Ultra Plus. Great hidden gem. I was running Genelax Gold Lion CV4004s for quite a while now they are in my stash of tubes. Running a red dot 6N4J in V1, ARS 12ax7a in V2. An International Service Master 7025/12ax7a in V3, Mesa Acid marked 12ax7 in V4 another Mesa Acid Marked in V5 and a balanced Philips Miniwatt in V6. Unreal. Ive collected about 30 extras and test each one and listen to them in V1 of an 84 Mark IIC+ then grade them.

Off the speaker the 6550 is clearly the winner.

Just an FYI....the bridge is not a Floyd Rose, it is a non-locking proprietary design exclusive to EBMM. That color is absolutely gorgeous!

Great video, very informative - thanks for sharing! Can't wait to hear the audio sample video.🧐

Ah yes… poking at a bias supply with a knife that clearly has metal on the handle. Get yourself a proper screwdriver that has an acrylic or wooden handle. You don’t wanna catch 450V, I’d imagine.

I like the 803's. More articulated and defined.

Hi...just seen this video and you sound like the guy who could help with my amp. I've only just got my Triamp MK3, I play Gibson's, mostly with Seymour Duncan JB bridge pickups, and I'm also using a Fryette Power Station 100, all into a Boggie oversize 4x12. On top of that I'm running an Axe FX3 in 4CM. Basically my amp sounds crap! Ch1 has to be run so quiet that I'm using one of the PS channels to boost its volume otherwise it clips like mad...really badly on the low E but only when I fret the string and pick with gusto. Ch2 is just a bunch of wooly mush that stays awful no matter the tube combination or how I change the EQ. 2A-3B have no real gain/saturation...I thought this would be a high gain amp, and it just isn't. I bought the amp new, but I know it was sitting in the store for a long time. Do you think I should be replacing all tubes? If so what would you recommend? I love a good clean channel, but after that it's Marshall 800 to ENGL Special Edition-type gain/saturation that I'm used to and trying to get close to. Also how do you get that back panel off? I cannot see any screws anywhere✌ Thanks...long message, I know, but you sound like the sort of guy that could make sense of this.

Did you do anything before hooking up your tube probe or do you just take a reading and turn the pot TR2?

My ears preferred the 803s

Power tubes do not make a big difference.

I have a Dsl20hr that I was about to give up on. Only had JJ ecc83s and stock tubes. Bought a used single rectifier head recently and the dude threw in extra tubes. One was a Mesa Boogie 12ax7 Russian 2. The other is made by Hammond in the USA. Has 12ax7 in red but Is mostly worn off. Can't find anything out about it. Anyway I put the mesa in v1, a JJ ecc83s in v2, and the Hammond 12ax7 in v3( phase inverter) it's like a whole new amp. At first I tried the Mesa in v3 and the Hammond in v1 but didn't sound too good. Preamp tube selection is crucial in my limited experience.

They all sound too similar with distortion. A clean comparison would have been helpful

Great demo. Not a big difference between them except maybe level. I definitely lean towards the warmer 6V6 as you get more head room before distorting I believe. You can always increase distortion but it's hard to do the reverse if it's already there on lower levels.

a V30 is definitely gonna go in my 100w Katana MkII amp, sounds a heap better, esp mic'd. Just have to be careful with the V30 being a 60w speaker

That is a super cool looking guitar

It is a pity that the test is not pure sound. the big difference was only at 70 25.