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On the bench: Zenith color roundie 25MC30
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12-10-2017, 11:52 AM
Electronic M
M is for Memory
Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 14,791
If you look closely there are DC bias voltages on the important elements of most tubes right on the posted schematic.
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Tom C.
Zenith: The quality stays in EVEN after the name falls off!
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