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In Reply to: Re: Fixed bias posted by Jim Womble on September 26, 2006 at 18:00:24:
No, at the grids of the last 12AX7. No trick at all: just 4 x 20K pots, 10 turn preferred. The bias voltage "goes" to the cathode of the 12AX7, then gets direct-coupled to the grid of the 6L6.I think I posted all my mods (AC balance, CCS) in here.
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- Re: Fixed bias - Zung 12:06:36 09/27/06 (0)