Re: Biasing anomaly for old audio research amp

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In Reply to: Biasing anomaly for old audio research amp posted by Leslie Loh on April 19, 2007 at 08:38:52:

65mA bias should present no problem for the 6550C. Sounds like a tube problem. The ARC amp runs the output tubes quite conservatively.
I would contact ARC for advise, but I think you will find the issues are with the output tubes rather than the amp.

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Follow Ups Full Thread

Topic - Biasing anomaly for old audio research amp - Leslie Loh 08:38:52 04/19/07 (4)

Re: Biasing anomaly for old audio research amp - Leslie Loh 08:33:43 04/20/07 (1)

You should expect at least 1500 hours - Karma16 08:29:41 04/21/07 (0)

Re: Biasing anomaly for old audio research amp - kentaja@yahoo.com 07:06:45 04/20/07 (0)

Re: Biasing anomaly for old audio research amp - Jonesy 13:10:27 04/19/07 (0)

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Re: Biasing anomaly for old audio research amp - kentaja@yahoo.com 07:06:45 04/20/07 (0)

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