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Philco 41-280 60 cycle hum problem Need Help
W5ALS
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Posts: 3
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Joined: Jun 2010
#4

07-01-2010, 03:31 PM
Alright i found were the hum is coming from, this is the first on me in 25 years. If you look at the pictures the top tube has 2 yellow caps hook to it. to the left the is a small metal plate covering the 7B7 tube, that plate was the problem take plate
out hum go's away put plate back in hum comes back and the plate was touching nothing. Strange!!!!!!
alton w5als
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Re: Philco 41-280 60 cycle hum problem Need Help - by W5ALS - 07-01-2010, 03:31 PM



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  1. The PHILCO Phorum
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  3. Philco Electronic Restoration