Buzz, hum, graveyard

Amp/Preamp Asylum

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Why do some of my amps cause buzz through the speakers, have their transformers hum or are dead quiet using the same damn system?

I've got a few amps and, for the life of me, can't figure out why it is one causes buzzing through the speakers and a few have the transformers humming along easily heard from the listening seat berween songs while others are dead quiet. This with no change to the rest of the system.

I think I've got ground loop or other issue with the electrical circuit in my music room as I've got a transport that also has a humming transformer in the room but in another room of the house it's quiet as it should be.

Is it the way the amps are designed that causes them to handle the juice in this room in a different manner?

It's a bit frustrating.

"Man, that mouse is Awesome." - Kaemon (referring to Jerry, of Tom and Jerry fame)

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Topic - Buzz, hum, graveyard - AudioDwebe 09:18:17 12/25/20 (6)

RE: Buzz, hum, graveyard - 6bq5 10:55:47 12/26/20 (1)

RE: Buzz, hum, graveyard - rivervalley817 11:09:10 12/26/20 (0)

RE: Buzz, hum, graveyard - mlsstl 06:19:00 12/26/20 (1)

RE: Buzz, hum, graveyard - AudioDwebe 08:55:40 12/26/20 (0)

Could be DC offset on your powerline... - jbrrp1 18:54:55 12/25/20 (1)

RE: Could be DC offset on your powerline... - AudioDwebe 08:53:02 12/26/20 (0)

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