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Why Your Preamp Hums and How to Fix It
https://hometheateracademy.com/preamp-hum-fix/#:~:text=The%20first%20suspect%20in%20an%20audio%20humming%20noise,lies%20with%20the%20receiver%20or%20the%20power%20amp.
How to find and fix hum in 3 easy steps – PS Audio
https://www.psaudio.com/ps-how/how-to-find-and-fix-hum/
Pre AMP(s) Ps Audio 4.6 and a Denon Pre amp (I have tried various configurations to no avail, i.e one pre amp, or the other) Audio Research VT 60 tube amp. ADS speakers PS audio ultimate power outlet. Situation: I get a hum through the speakers when either of the two pre amps are connected to the Main Power Amp.
Amplifier Hum - High-End Audio Discussion Forum
https://forum.audiogon.com/discussions/amplifier-hum-a-problem-solved
Danhirth. 04-12-10: Danhirth. Danhirth, If you are hearing a hum through the speakers, jmho, the hum is not caused by DC offset voltage on the ac mains. The hum is more than likely a ground loop hum. The hum could also be caused by a bad electrolytic capacitor in the power supply of the amp or preamp.
Hum from amplifier | AVForums
https://www.avforums.com/threads/hum-from-amplifier.2259882/
The stereo amp was in double socket 1 and the AV in double socket 4 The hum continued when the AV receiver was unplugged but the Bluray player was left on and vice versa. Moving the AV receiver plug to double socket 1 made no difference. Still hum. Mains loop cable is kept away from all other cables however component mains power cables are near it
How to get rid of hum and other noises from your audio ...
https://www.techhive.com/article/582313/how-to-get-rid-of-hum-and-eliminate-other-noises-from-your-audio-and-video-systems.html
Ground loops. The number-one cause of unusual audio noise and weird video is the ground loop, simply because it’s so darned easy to create. The most common manifestations are a loud buzz or hum ...
Correcting hum, buzz or distortion in audio amplifier ...
https://www.youtube.com/watch?v=xbinXh1ZSqk
I look into the more common "noise" issues in amplifier projects.
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