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RE: Not according to the Eico schematic

Posted by Triode_Kingdom on June 12, 2017 at 13:10:47:
So, maybe the Eico schematic I saw was somewhat preliminary, and they changed it later. About your original question, I don't think it's worth the trouble VS buying the 6X4. If you decide to pursue it, some of the 12V switchers on eBay are very small and inexpensive. The output can be left floating (ungrounded), so this might be a much less painful way to heat the 12X4.