Hum with phonograph only??

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Hum with phonograph only??

codefox1
Silent Key

Posts: 2,128
Threads: 18
Joined: Oct 2008
City: Merrick, Long Island, NY

#9

06-05-2013, 06:25 PM

Work backwards or fowards if you prefer shorting (1st grid) or audio signal only from the volume control backwards to the cartridge. Wherever you wind up, it's the trouble point. Just don't short out any B+ voltages.

Best guess 1. bad cartridge, 2. bad shield. Pray for #2.

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Messages In This Thread

Hum with phonograph only?? - by ODPILOT - 06-02-2013, 08:42 PM

RE: Hum with phonograph only?? - by morzh - 06-02-2013, 08:50 PM

RE: Hum with phonograph only?? - by 7estatdef - 06-03-2013, 02:05 PM

RE: Hum with phonograph only?? - by ODPILOT - 06-03-2013, 05:28 PM

RE: Hum with phonograph only?? - by Chuck Schwark - 06-04-2013, 10:04 AM

RE: Hum with phonograph only?? - by morzh - 06-04-2013, 11:53 AM

RE: Hum with phonograph only?? - by ODPILOT - 06-04-2013, 08:10 PM

RE: Hum with phonograph only?? - by GarySP - 06-04-2013, 09:38 PM

RE: Hum with phonograph only?? - by codefox1 - 06-05-2013, 06:25 PM

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