RE: Picture of EF 86 wiring in Ampex 6973 amp

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In Reply to: Picture of EF 86 wiring in Ampex 6973 amp posted by onthethreshold1 on April 28, 2015 at 06:24:55:

Here is a trace of the Ampex 6973 circuit I did back in 2010. The EF86 is wired in pentode mode with a compensating network accross the 220K load resistor.

hope this helps
33dot33rpm

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Follow Ups Full Thread

Topic - Picture of EF 86 wiring in Ampex 6973 amp - onthethreshold1 06:24:55 04/28/15 (3)

RE: Picture of EF 86 wiring in Ampex 6973 amp - 33dot33rpm 12:45:19 05/01/15 (0)

RE: Picture of EF 86 wiring in Ampex 6973 amp - 33dot33rpm 12:42:36 05/01/15 (1)

2nd try to upload circuit diagram - 33dot33rpm 12:48:53 05/01/15 (0)

Follow Ups

RE: Picture of EF 86 wiring in Ampex 6973 amp - 33dot33rpm 12:42:36 05/01/15 (1)

2nd try to upload circuit diagram - 33dot33rpm 12:48:53 05/01/15 (0)

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