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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: re: still trying to track down a hum... posted by Tre' on September 15, 2012 at 07:07:06:
Tre,
yes, the RCA's are grounded to a single point on the chassis, I have tried to ground them to separate points, but no change. I have also disassembled the plugs to see if they where touching anything, but they are secure in a phenolic plate.
The co-ax appears only grounded off the RCA's at that end, the other end hooks up to the 12by's via some resistors (sorry I am not a supper tech expert to explain exactly that circuit path but that's the simple basic description of where that coax goes) I have double checked those resistors to make sure they are right(all of which are new in the amp) and they come out perfect...
are you thinking it needs an additional ground?
thanks for your response Tre!
J
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Follow Ups
- re: still trying to track down a hum... - mr9iron 10:11:35 09/15/12 (9)
- re: still trying to track down a hum... - mr9iron 02:05:33 09/16/12 (3)
- re: still trying to track down a hum... - Tre' 13:46:52 09/18/12 (2)
- re: still trying to track down a hum... - mr9iron 14:08:34 09/18/12 (1)
- re: still trying to track down a hum... - Tre' 11:01:54 09/19/12 (0)
- re: still trying to track down a hum... - Tre' 17:28:03 09/15/12 (2)
- re: still trying to track down a hum... - mr9iron 20:19:30 09/15/12 (1)
- re: still trying to track down a hum... - Tre' 07:37:29 09/16/12 (0)
- Classic ground loop - Chris O 11:14:37 09/15/12 (1)
- RE: Classic ground loop - mr9iron 20:25:51 09/15/12 (0)
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