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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: 29 Apr 2009, 15:04 
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Joined: 06 Jun 2008, 14:15
Posts: 4
Location: Maryland
Anybody here with experience with screen drive push pull amps? I've got a bunch of horizontal sweep tubes that I'm looking to torture. :)


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PostPosted: 30 Apr 2009, 08:51 
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Joined: 06 Jun 2008, 14:15
Posts: 4
Location: Maryland
6GV5's. They're about the same as the 6JN6 used in David Berning's EA-230.


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PostPosted: 19 Aug 2009, 10:10 
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Joined: 06 Jun 2008, 14:15
Posts: 4
Location: Maryland
I intend to use http://www.tubelab.com/Universal%20Driver.htm as a basis for this project.

The LTP stage will be a 6J6, the differential driver stage will be triode strapped 7W7's with a quad of 2SK2700 mosfet followers and the output tubes will be a quad of 17AV5 (or something similar). Output transformers will be Antek AT-1008 with 2022 ohm primaries. I'll need to put a grid stopper resistor in before the output tubes, and NFB will need to be inserted.

I'm thinking of using a Maida regulator for at least the B+.


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