[SonicTrance]

So is this balanced ?

Yes. If you run XLR in you have a balanced signal from end to end. It's basically four amplifiers inside the amp. Two phases per channel.

 

[UntilThen]

I guess if you want to call it that.
To me it is no longer balanced after the two out of phase signals are put back together in the output transformer.
I am not getting into this argument. It is all a marketing thing that Peale be leave.

Not an argument at all. Just a good to know for me. I’m not particularly concerned about whether it’s balanced or not. As long as it sounds good.

 

[UntilThen]

Yes. If you run XLR in you have a balanced signal from end to end. It's basically four amplifiers inside the amp. Two phases per channel.

Thanks. Again it’s a good to know for me. I do not seek a balanced amp. If it’s there I use it.

 

[L0rdGwyn]

Forget it you can't stave off tube craziness. Look how much I spent on REN904s and I don't even know how they sound yet.
This is no win just lose lose your money but it is fun. And I have been doing this for 50 years now and still have no self control.

Yeah I might as well accept it. When I start my new job in January, the cap for what I will pay for a tube will go up, but it is already pretty high. My French tube seller (henceforth the "French Connection") found he had another pair of those beautiful Marconi MH4 tubes. So now I am up to two pairs of those, a pair of the military smoked glass CV399, pair of Valvo A4110, and a pair of RWN Neuhaus K1694, and I have no idea what they sound like HAHA! But I have faith, when Deyan's adapter arrives, the mystery will be revealed.

Only place I have seen any kind of impressions is here in this blog, "a Direct Heating Triode Blog", a guy building a 6J5 line stage: http://a-direct-heating-triode.blogspot.com/2016/04/6j5-line-preamplifier-part-1.html

"Playing with triodes for decades taught me that the ones that could be used are not so numerous. For the indirect I would go to the 27 (76, 6C5, 6J5) family of tubes or the Bi / REN904 and PTT100, for the direct the RS242 and relatives, the 841 and some post tubes like Aa and PTT0. All these tubes share excellent linearity, medium µ and exceptional sonic qualities. Unfortunately most are expensive or too scarce for the average amateur I am and I decided to go for the 76/6J5."

 

[L0rdGwyn]

About mesh plate rectifiers they look great but usually can't handle as much current as a solid plate

I am very curious to know what the final current draw will be with the 6J5/MH4 > EL34/KT66/6L6 setup. The RGN2504 does 180mA at 500 volts. I'm somewhat hopeful that I will also be able to use the RGN2004 / 1561 4V rectifier family in this amp, but they will only do around 135mA at 400-425V from my reading.

 

[JazzVinyl]

All these tubes share excellent linearity, medium µ and exceptional sonic qualities. Unfortunately most are expensive or too scarce for the average amateur I am and I decided to go for the 76/6J5."

12J5's rule the world. Cheap, 75+ year old ones can still be found in perfect condition for almost no money.

 

[GDuss]

Related to recent discussions about accepting the tube craziness, how is it possible that there are only 3 posts in this thread?

https://www.head-fi.org/threads/tubeaholic.242985/

 

[2359glenn]

Yes. If you run XLR in you have a balanced signal from end to end. It's basically four amplifiers inside the amp. Two phases per channel.

What is it after the two balanced signals are put together in the transformer the output of the transformer is single ended.
If this is the case all transformer coupled amps are balanced at the output.
Really a bunch of marketing BS.

 

[2359glenn]

Related to recent discussions about accepting the tube craziness, how is it possible that there are only 3 posts in this thread?

https://www.head-fi.org/threads/tubeaholic.242985/

Because all the tube wackos hang out here and I am the wackest of them all.

 

[2359glenn]

I am very curious to know what the final current draw will be with the 6J5/MH4 > EL34/KT66/6L6 setup. The RGN2504 does 180mA at 500 volts. I'm somewhat hopeful that I will also be able to use the RGN2004 / 1561 4V rectifier family in this amp, but they will only do around 135mA at 400-425V from my reading.

I would stay with the RGN2504 but I don't what voltage I am running the amp at yet. According to how much power you want.

 

[JazzVinyl]

Because all the tube wackos hang out here and I am the wackest of them all.

LOL "Daddy Wacko"

 

[gibosi]

Because all the tube wackos hang out here and I am the wackest of them all.

Yeah, I've only got a little over hundred #27's so for sure you are wackier than me. lol

 

[JazzVinyl]

Yeah, I've only got a little over hundred #27's so for sure you are wackier than me. lol

G is "King Wacko" LOL

 

[UntilThen]

Would like to hear your impressions on how the two sound side by side with drivers that, IMHO, really shine in the GOTL. (No disrespect to the EL32 of course.)
Respecting the current limitations of the WA22, that would include at least up to 950mA, which is the heater current for the WA22 officially compatible ECC32.
Any chance? A run with ECC32s or 6N7s?

Don’t have the ECC32 and I don’t think the ECC32 is better than the ECC33 and ECC35 that I have. Just different.

My fav drivers in GOTL with sextet 6bx7 are
Mullard ECC33
Mullard ECC35
Sylvania 6sn7w metal base
GEC B36
Tung Sol 6F8G bgrp
Tung Sol 12SL7GT bgrp
Telefunken EL11
Philips Miniwatt EL3N
Mullard EL32
Siemens c3g
Mullard ECC31 - this one is border line for me.

I may like Mazda 6N7G, Fivre 6N7G brown base or Marconi 6N7 metal shield but IMO they are not in the same calibre as the above. YMMV.

 

[JazzVinyl]

Don’t have the ECC32 and I don’t think the ECC32 is better than the ECC33 and ECC35 that I have. Just different.

My fav drivers in GOTL with sextet 6bx7 are
Mullard ECC33
Mullard ECC35
Sylvania 6sn7w metal base
GEC B36
Tung Sol 6F8G bgrp
Tung Sol 12SL7GT bgrp
Telefunken EL11
Philips Miniwatt EL3N
Mullard EL32
Siemens c3g
Mullard ECC31 - this one is border line for me.

I may like Mazda 6N7G, Fivre 6N7G brown base or Marconi 6N7 metal shield but IMO they are not in the same calibre as the above. YMMV.

Depends heavily on the headphones that are plugged in to the GOTL. Everyone with different headphones than you, will probably have different fav's...