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RE: Anyone want to take a crack at a 1948 Magnavox FM tuner?

Posted by R. Mercure (A) on March 23, 2011 at 15:15:30

In Reply to: Anyone want to take a crack at a 1948 Magnavox FM tuner? posted by henrybastardo on March 23, 2011 at 09:17:29:

Henry,

Someone's already sent you the link so this may be moot but there were about 1/2 dozen various "dot" cap coding schemes depending on use, industry, military, etc. Usually it's easy to figure out which one you're working with but sometimes one of the colors fades or white turns yellow or red turns brown, etc. and it throws you off. In general they were, as noted, just simple waxed paper caps and now leaky as hell in a particular case style (also easy to "gut" and insert a modern cap within) - the mica ones usually had "mica" melted into the plastic case somewhere (and their own coding system usually). Lastly if it's that early I suspect that you realize it is the old, low frequency, FM band that was given over to a few television channels before the current 88-108 was adopted so even perfectly restored you might not be able to receive anything.

Rob


"Monoblocks" = "monoblockheads" - it's "monaural amplifier"; "power output tubes" not "power tubes" & "patch cords" not "interconnects!" "Passive preamp(lifier) is oxymoronic!

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