Changed headphones now I hear hum [resolved]

iwluis · 1405

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Offline iwluis

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on: May 18, 2016, 04:04:40 PM
Hello, Im puzzled. I got a new Beyerdynamic dt770 250ohm for my birthday but I hear a hum on my new headphones with my Crack with the speedball upgrade. I tried a different amp and no problems, plugged my old dt880 600ohm and everything is ok. Any suggestions?
« Last Edit: May 21, 2016, 09:00:21 AM by Caucasian Blackplate »


Offline Paul Birkeland

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Reply #1 on: May 19, 2016, 07:16:20 AM
Remeasure your voltages, and also be extra certain that all the 220uF filter capacitors are well soldered.

-PB

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline iwluis

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Reply #2 on: May 21, 2016, 07:58:48 AM
Thanks, it was my fault when I put a blue velvet pot I screwed up the wiring.


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