In Reply to: 4P1L in filament bias posted by andy evans on February 10, 2016 at 13:26:00:
Andy's Amp
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Follow Ups
- RE: 4P1L in filament bias Andy's amp - Chip647 14:07:31 02/10/16 (1)
- That circuit is out of date for a few reasons - andy evans 10:48:39 02/11/16 (0)