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Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time. |
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In Reply to: questions about Scott 222B phase inverter posted by microbe on August 27, 2016 at 18:49:27:
Earlier Scott units, like the 222B, employ a paraphase splitter. Later models use a pentode voltage amplifier DC coupled to a "concertina" phase splitter. Dyna and Sherwood used that setup too.
You can look at later Scott units and "clone" their power section small signal circuitry. Don't be deterred by 7591 "finals". Small signal circuitry that works for 6BQ5s works for 7591s and vice versa. Several manufacturers took advantage of that fact to rebundle existing designs, while producing greater O/P power.
Eli D.
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- RE: questions about Scott 222B phase inverter - Eli Duttman 21:50:05 08/27/16 (0)
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