[bcowen]

OK. @bcowen. You dont like that triode. What about this one, 100TH? Same story.

I've never found a triode I didn't like. Well, except ones made by GE.

 

[bcowen]

Pretty cool looking amps! With the obvious attention to detail on the exterior, I'm gonna bet they sound pretty good too...and probably way out of my league price-wise.

 

[Old Deaf Donkey]

If that is a steel support rod between the plates (hard to tell from pic) and it has an umbrella top mica (round with small rods downward like an umbrella), then this is a black base short bottle 6SN7W (not WGT). The W's are pretty highly regarded and typically not inexpensive. I own a few and they are quite nice in Lyr 3. Any date code etching on the top of the glass?

Many thanks for this important correction: The top mica is as you desribe, and yes that is a support rod (there are 4 posts).



Even more - I have checked the top of the bottle and indeed with manipulating light I could discern an octagon with 6SN7 and under it a W. Under the octagon, there is "E 5" - May 1945?

 

[Old Deaf Donkey]

Other 6SN7 from that batch:

CBS 6SN7 GTB


CBS HYTRON 6SN7 GT


KEN-RAD JAN-CKR 6SN7 GT


RCA 6SN7 GTB


ROGERS CANADA branded 6SN7 GT (probably another Sylvania - any ideas?)


SYLVANIA 6SN7 GT, marked LOH 126


SYLVANIA 6SN7 GTB, marked AOL - note the button base!


Sylvania VT231JAN CHS 6SN7 GT, marked SC966 A


UNITED ELECTRON branded 6SN7GT MOUSE EARS - probably a Tung Sol?


Comments welcome!

 

[bcowen]

Other 6SN7 from that batch:

CBS 6SN7 GTB

Top one: does that have 6 support rods in total? If so, combined with the triple micas it's constructed identically to a 5692. Very desirable tube.

 

[Old Deaf Donkey]

Pretty cool looking amps! With the obvious attention to detail on the exterior, I'm gonna bet they sound pretty good too...and probably way out of my league price-wise.

Donkey (twitching): yeah. The first one is WAVAC Audio Lab special 10th anniversary model SH-833 - $350,000/pair. Does not have to be THAT expensive - The last one Emiral SE-833 MX Challenge outputs 60 watts at Pure class A and weighs 45 kg's. Priced at €30.000 per pair ONLY.

 

[Old Deaf Donkey]

Top one: does that have 6 support rods in total? If so, combined with the triple micas it's constructed identically to a 5692. Very desirable tube.

Thank you. Yes, 6 rods (posts):1 front, 1back, 2 each side (or other way round).

 

[Delirious Lab]

Damn but Vali + 6SN7 is an awesome combo. I have HD600's and have stopped yearning for LCD3's for the first time since I heard them at a meet a few years ago. All this for $30 (Tung-Sol from Schiit) and an adapter.

My wallet is happy! And so are my ears. I never thought my HD600s were capable of such authoritative bass.

 

[Ripper2860]

Many thanks for this important correction: The top mica is as you desribe, and yes that is a support rod (there are 4 posts).



Even more - I have checked the top of the bottle and indeed with manipulating light I could discern an octagon with 6SN7 and under it a W. Under the octagon, there is "E 5" - May 1945?

Very nice! Yep - all mine have 5 which designates 1945. The letter code is the plant of MFG, I think. There's a lot of uncertainty and debate about that however.

 

[triggsviola]

Damn but Vali + 6SN7 is an awesome combo. I have HD600's and have stopped yearning for LCD3's for the first time since I heard them at a meet a few years ago. All this for $30 (Tung-Sol from Schiit) and an adapter.

My wallet is happy! And so are my ears. I never thought the HD600 was capable of such authoritative bass.

I have two setups: my bedside setup is iPhone -> eitr-> Mimby-> vali 2 (with Sylvania 6SN7gt) -> Elex.

My office desktop setup is PC -> Yggy -> Euforia -> Utopia.

The bedside setup is pretty damn close in terms of sound quality to the desktop. If I had to put a number on it, I would say it gets 85% of the way there. The Vali + 6SN7 is a very compelling offering, especially if you find a particularly good tube!

 

[bochawa]

I have the Tung-Sol 6SN7 and 6922 adapter from Tube Depot - just waiting for socket savers to arrive. I'm tempted to remove the cover from the Vali 2 tonight, so I can plug the adapter straight into the board - it should fit, right?

 

[bcowen]

Donkey (twitching): yeah. The first one is WAVAC Audio Lab special 10th anniversary model SH-833 - $350,000/pair. Does not have to be THAT expensive - The last one Emiral SE-833 MX Challenge outputs 60 watts at Pure class A and weighs 45 kg's. Priced at €30.000 per pair ONLY.

Ahhhh…a good ol' Wavac. Reviewed one of theirs (MD-300B) many moons ago. Not quite in the $350k league, but a notably good sounding amp for the money.

http://www.soundstagenetwork.com/revequip/wavac_md300b.htm

 

[bcowen]

I have the Tung-Sol 6SN7 and 6922 adapter from Tube Depot - just waiting for socket savers to arrive. I'm tempted to remove the cover from the Vali 2 tonight, so I can plug the adapter straight into the board - it should fit, right?

Never took the cover off my Vali 2. Now that I think about it, that's very strange for me.

It should fit, just be sure that if the adapter has a metal base that the bottom of it isn't touching any of parts on the board (and end up shorting something out). The socket will probably lift it up high enough, but still take a close look before powering it up.

 

[attmci]

Other 6SN7 from that batch:

CBS 6SN7 GTB


CBS HYTRON 6SN7 GT


KEN-RAD JAN-CKR 6SN7 GT


RCA 6SN7 GTB


ROGERS CANADA branded 6SN7 GT (probably another Sylvania - any ideas?)


SYLVANIA 6SN7 GT, marked LOH 126


SYLVANIA 6SN7 GTB, marked AOL - note the button base!


Sylvania VT231JAN CHS 6SN7 GT, marked SC966 A


UNITED ELECTRON branded 6SN7GT MOUSE EARS - probably a Tung Sol?


Comments welcome!

The KEN-RAD JAN-CKR 6SN7 GT is a GE rebranded. I could be wrong.

 

[bcowen]

The KEN-RAD JAN-CKR 6SN7 GT is a GE rebranded. I could be wrong.

You mean it was made by GE and then branded as a Ken-Rad? Oh the sheer horror!!! I'm probably not going to sleep well tonight with nightmares of GE innards stuck inside something in the stash. I should probably dump the whole stash right now just to exorcise any possibility of a lurking demon.....