Author Topic: clip on RF chokes  (Read 6274 times)

Offline papabearjew

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Re: clip on RF chokes
« Reply #15 on: October 27, 2014, 11:15:45 AM »
PBJ,  do any of the components in the system have a three wire plug?  If so, try lifting the grounds (at least as a test).

@MacGeek,  I'll double check. I remember when I was getting terrible hum through my headphone amp I used a 3 prong to 2 prong adapter on the headphone amp power plug and it solved the problem.

Offline MacGeek

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Re: clip on RF chokes
« Reply #16 on: October 27, 2014, 06:08:24 PM »
An isolation transformer is probably better, but lifting the third prong may help t identify the problem
Mac stuff, Sony HDR-F1HD AM/FM/HD tuner, Denon DRS 810 cassette, Denon CDR-W1500 CD recorder, Music Hall MMF-9 w/B&O MMC2, B & O 4002 w/B & O 20 CL, Revox A-77

Offline papabearjew

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Re: clip on RF chokes
« Reply #17 on: October 27, 2014, 08:39:04 PM »
Where do I get an isolation transformer?

Offline MacGeek

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Re: clip on RF chokes
« Reply #18 on: October 28, 2014, 06:38:09 AM »
I don't have a clue.  I cheat and just lift the grounds.  I expect someone on this Forum knows.
Mac stuff, Sony HDR-F1HD AM/FM/HD tuner, Denon DRS 810 cassette, Denon CDR-W1500 CD recorder, Music Hall MMF-9 w/B&O MMC2, B & O 4002 w/B & O 20 CL, Revox A-77