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Old 02-27-2015, 08:08 PM
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Electronic M Electronic M is offline
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Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
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Quote:
Originally Posted by Jeffhs View Post
Someone must have goofed on that IF frequency. Shouldn't it be 455 kHz? Also, if this radio has push-pull audio output, shouldn't the tubes be identical, e. g. two 50C5s?

BTW, one of the knobs is mismatched; I don't know which one is still original. Someone must have lost one or the other and replaced it with one from the junk box.
Your waaay off base.... It is not a push-pull output, but rather it uses a single ended output with the 3Q5 only working in battery power mode, and the 50B5 only working when the radio is ran off AC line voltage.

262kHz is the second most common IF frequency (455 being first by a VERY wide margin), and IIRC was common in tube era car radios.
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