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811 amp [message #31200] Wed, 29 June 2005 07:52 Go to next message
Manualblock is currently offline  Manualblock
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Perusing Glass Audio for some info on WE 91a amp I see there is a photo page from a guy who built the VTV 811 amp. He used a Mercury Vapor rec tube. It's Issue1 yr 2000. The guy has a e-mail and takes questions on the amp. There is a pic of the top and the circuit wiring.

Re: 811 amp [message #31201 is a reply to message #31200] Wed, 29 June 2005 10:11 Go to previous messageGo to next message
colinhester is currently offline  colinhester
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I have got to start picking up back issues of both "Glass Audio" and "Sound Practices." What did the author say about the 811?.....Colin

Re: 811 amp [message #31202 is a reply to message #31201] Wed, 29 June 2005 11:59 Go to previous messageGo to next message
Manualblock is currently offline  Manualblock
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Well; he didn't get too far into it, it's a one page photo shoot with a couple of paragraphs of text. He likes it and he changed the rec tube to Freds and upped the filter cap to 40uf. The pics show a nice clean design that looks really basic.

Re: WE91 amp [message #31207 is a reply to message #31200] Thu, 30 June 2005 19:05 Go to previous messageGo to next message
Forty2wo is currently offline  Forty2wo
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I built a 91 amp with the 6sj7 driver. they are still my main amps.
See a pic of the underside next door at the set forum...John

Re: WE91 amp [message #31211 is a reply to message #31207] Fri, 01 July 2005 07:00 Go to previous messageGo to next message
Manualblock is currently offline  Manualblock
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Forty2 I don't see them; you mean over here under an earlier thread?

Re: WE91 amp [message #31212 is a reply to message #31211] Fri, 01 July 2005 07:52 Go to previous messageGo to next message
colinhester is currently offline  colinhester
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Here it is:

Re: WE91 amp [message #31214 is a reply to message #31212] Fri, 01 July 2005 12:43 Go to previous message
Manualblock is currently offline  Manualblock
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Thanks C.

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