Thread: Antique Philco 37-665 audio output problem
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Old 07-08-2016, 11:47 AM
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wa2ise wa2ise is offline
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Join Date: Dec 2002
Location: USA
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If it were my radio, I'd modify it so it uses a real phase inverter. Change the 6K5 to a dual triode tube, maybe a 6SL7.

Or maybe a subminiature triode tube hidden under the chassis.
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Last edited by wa2ise; 07-08-2016 at 05:45 PM.
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