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In Reply to: RE: Request for EICO HF-20 experiences and ideas posted by tomsyl1 on June 12, 2008 at 01:43:23
Since you're going to be using them as power amps, you might want to look at an HF-22 schematic as a starting point. It uses an EF86 gain stage, 6SN7GTB cathode coupled phase inverter and the same output tubes and transformer.
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