Loud mains hum on both channels

portway · 1042

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Offline portway

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on: January 18, 2018, 09:41:33 PM
Hi, I have been running my Beepre for over a year now with no problems and have been really satisfied with the sound quality. This morning when I turned the system on there was/is a loud mains frequency hum from both channels independant of source or volume level. I can still hear music behind the hum and I am wondering if there is a blown capacitor somwhere or if a ground has become disconnected somewhere. Any advice on troubleshooting very welcome. Thanks Tony.


Offline Paul Birkeland

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Reply #1 on: January 19, 2018, 04:39:16 AM
I would start with a voltage check and report any oddities here.  Also let us know what your AC line voltage is.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline Doc B.

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Reply #2 on: January 19, 2018, 05:09:08 AM
And, not to state the obvious, but let us know if a visual inspection has turned up anything that looks disconnected or damaged.

Dan "Doc B." Schmalle
President For Life
Bottlehead Corp.

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