Thread: Antique Philco 37-665 audio output problem
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  #10  
Old 07-08-2016, 06:27 PM
old_coot88 old_coot88 is offline
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Or you could do it even simpler, using a grounded-grid, common cathode setup for phase inversion. Did that a few times on homebrew stuff back in the day. Worked great. Output tubes were typically 6V6 or 6L6
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