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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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PostPosted: 06 Mar 2016, 06:17 
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Joined: 02 Mar 2009, 12:41
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Location: Vänersborg, Sweden
I am having a slight ( :sick: ) hangover so I totally missed I had commented on your build already. Had dinner guests yesterday and they can drink a lot, but I am happy with a glass of good beer and a not-so-big shot of vodka.

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PostPosted: 06 Mar 2016, 06:49 
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Joined: 06 Jun 2008, 18:23
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Location: Australia
I have found a lovely Russian vodka - Karavan. Frosted bottle with a clear panel at the front to show off the rear transfer. For us cheap AU$37. The best vodka I have ever tasted better than Grey Goose.

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Projects: "Lagoon" - tube preamp with cathode follower | "retro-Oatley 6J6" - 6J6 push-pull headphone amp with OPTs | "retro-Hiraga" - Jean Hiraga Le Monster
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PostPosted: 06 Mar 2016, 08:13 
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No vodka for me today. Guess I should try to get something done, but I am in no mode for that.

A question on the 6N3/7294 amp. I would assume that the 6N3 is the component that has greatest influence of the sound quality; could it possibly be replaced by a 6922?

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PostPosted: 06 Mar 2016, 08:23 
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Soundbrigade wrote:
No vodka for me today. Guess I should try to get something done, but I am in no mode for that.

A question on the 6N3/7294 amp. I would assume that the 6N3 is the component that has greatest influence of the sound quality; could it possibly be replaced by a 6922?


No idea. You are better to answer that one.

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Projects: "Lagoon" - tube preamp with cathode follower | "retro-Oatley 6J6" - 6J6 push-pull headphone amp with OPTs | "retro-Hiraga" - Jean Hiraga Le Monster
Website: retro-thermionic


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PostPosted: 06 Mar 2016, 09:31 
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Location: US Pacific Northwest
Warning...OT
mwhouston wrote:
I have found a lovely Russian vodka - Karavan. Frosted bottle with a clear panel at the front to show off the rear transfer. For us cheap AU$37. The best vodka I have ever tasted better than Grey Goose.
I learned a long time ago; always go with the experts.

Burbon: American (Kentucky/Tennessee)
Whiskey: Ireland
Scotch: Scotch/Irish
Vodka: Russian
Tequila: Sammy Hagar :D

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PostPosted: 06 Mar 2016, 15:14 
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I know Sammy is a great guitarist, didn't know he was a Tequila expert. Maybe if I switched to Tequila my playing will improve.

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Projects: "Lagoon" - tube preamp with cathode follower | "retro-Oatley 6J6" - 6J6 push-pull headphone amp with OPTs | "retro-Hiraga" - Jean Hiraga Le Monster
Website: retro-thermionic


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PostPosted: 06 Mar 2016, 17:57 
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mwhouston wrote:
I know Sammy is a great guitarist, didn't know he was a Tequila expert.
Two words: Cabo Wabo

http://www.cabowabo.com

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It's all about the Glass!
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PostPosted: 02 Aug 2017, 04:15 
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Hello gentlemen, reviving and old thread here.
Been doing the same build, but having trouble with Amp. The red diode keeps flashing, and No Sound from speakers. Think IT is a Power issue .
What Power does the Amp require? I have a 12VAc for the board , it puts out 12.3. and a torodial tranny allso, 2 × 24Vac - 4.16A, using 1 line for the board and the other for a fan. The blue light under the tube lights Up, and the tube allso glows. Is there Amy way to troubleshoot?

Kind regards
Christian


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PostPosted: 02 Aug 2017, 09:10 
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def420 wrote:
Hello gentlemen, reviving and old thread here.
Been doing the same build, but having trouble with Amp. The red diode keeps flashing, and No Sound from speakers. Think IT is a Power issue .
What Power does the Amp require? I have a 12VAc for the board , it puts out 12.3. and a torodial tranny allso, 2 × 24Vac - 4.16A, using 1 line for the board and the other for a fan. The blue light under the tube lights Up, and the tube allso glows. Is there Amy way to troubleshoot?

Kind regards
Christian


It's been so long I have forgotten. You need two trannies. One for the tube filaments ~ 12V or 6V and one for the chips. Sorry can't remember and the amp is hard to get out. I'll see what i can find out.

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Projects: "Lagoon" - tube preamp with cathode follower | "retro-Oatley 6J6" - 6J6 push-pull headphone amp with OPTs | "retro-Hiraga" - Jean Hiraga Le Monster
Website: retro-thermionic


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PostPosted: 02 Aug 2017, 09:13 
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mwhouston wrote:



Click on the link and it will specify trannies required.

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Projects: "Lagoon" - tube preamp with cathode follower | "retro-Oatley 6J6" - 6J6 push-pull headphone amp with OPTs | "retro-Hiraga" - Jean Hiraga Le Monster
Website: retro-thermionic


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