RE: Hum, dang it.

Posted by bcowen (A) on May 28, 2017 at 14:22:51

In Reply to: RE: Hum, dang it. posted by louie3 on May 28, 2017 at 08:45:05:

Forgive me for being thick, but just want to be sure I understand your setup. Are these 2 separate systems, or one system with both TT's, both phono stages, and both preamps all hooked up together at the same time (even if all are not powered up at the same time)?

If the latter, and seeing the ground potential isn't an issue with the Chang, you may have one component (likely a preamp or phono stage) that has a grounding scheme that isn't playing nicely with the others. If you have a cheater plug, you may try cheating the ground on one component at a time and see if the hum disappears when a particular ground is lifted. I don't at all recommend running the component with the ground cheated for the long term, just on a test basis to see if the culprit lies therein.

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Follow Ups Full Thread

Topic - Hum, dang it. - louie3 07:46:57 05/28/17 (9)

RE: Hum, dang it. - bcowen 08:36:35 05/28/17 (8)

RE: Hum, dang it. - louie3 08:45:05 05/28/17 (7)

Hum of equal amplitude in both channels? - Lew 16:06:08 05/29/17 (0)

RE: Hum, dang it. - bcowen 14:22:51 05/28/17 (1)

RE: Hum, dang it. - louie3 14:43:19 05/28/17 (0)

RE: Hum, dang it. - Kingshead 11:06:09 05/28/17 (3)

RE: Hum, dang it. - louie3 08:49:25 05/29/17 (2)

RE: Hum, dang it. - Kingshead 09:24:49 05/29/17 (1)

RE: Hum, dang it. - louie3 06:16:20 05/30/17 (0)

Follow Ups

RE: Hum, dang it. - bcowen 14:22:51 05/28/17 (1)

RE: Hum, dang it. - louie3 14:43:19 05/28/17 (0)

RE: Hum, dang it.

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