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REVERB FROM HELL

7/14/2005 4:49 PM
jim	REVERB FROM HELL Running a dual channel amp in a Fender 75 w/EXACT fender type reverb. I`m getting a NASTY RFI induced junk off first stage of the mixer tube where it feeds the reverb potentiometer. Due to space, I`m feeding the coupling cap( .0022) right to the pot entrance ( reverb pot at back panel)I have tried regrounding( star and fender/marshall) new reverb tranny, new tank,TOTAL SHIELDING on ALL reverb wiring, new cables, new tubes, NOTHIN works, I`ve never seen it this hard before to dial out the noise! Sure appreciate some help from you awesomely smart techs out there!! thks in advance, jim

7/14/2005 4:49 PM

jim

REVERB FROM HELL

Running a dual channel amp in a Fender 75 w/EXACT fender type reverb. I`m getting a NASTY RFI induced junk off first stage of the mixer tube where it feeds the reverb potentiometer. Due to space, I`m feeding the coupling cap( .0022) right to the pot entrance ( reverb pot at back panel)I have tried regrounding( star and fender/marshall) new reverb tranny, new tank,TOTAL SHIELDING on ALL reverb wiring, new cables, new tubes, NOTHIN works, I`ve never seen it this hard before to dial out the noise! Sure appreciate some help from you awesomely smart techs out there!!

thks in advance,

jim

Replies:

R.G. Put a 1K 1/4W resistor in series wi... -- 7/14/2005 6:04 PM
Randy Re: RFI trouble shooting -- 7/15/2005 6:45 AM