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How to Fix DC Offset and Transformer Hum In Your …
https://www.pooraudiophile.com/2015/03/how-to-fix-dc-offset-and-transformer.html
DC Offset, sometimes called “DC in the AC,” is usually the result of unbalanced loads or flaws in the power distribution system. This can cause DC …
HumDinger DC Line Blocker – Audio by Van Alstine
https://avahifi.com/products/humdinger-dc-line-blocker
HumDinger DC Line Blocker $140.00 What the HumDinger will do: Block low-level DC voltage sitting on your AC power line that causes the power transformer to hum or buzz. This type of mechanical transformer hum may be caused if other devices on your power line, or devices on nearby power lines, use AC power asymmetrically.
Hum in DC audio system | Forum for Electronics
https://www.edaboard.com/threads/hum-in-dc-audio-system.188359/
I was wondering if anyone had suggestions on some good routes to follow to try to eliminate some humming in a DC audio system. I am trying to get a small stereo system running on my boat, and so I recently took the AC input off of a Logitech computer speaker system and tied the boat's 12V...
How To Find and Fix Hum Extended – PS Audio
https://www.psaudio.com/ps-how/how-to-find-and-fix-hum-extended/
The short and simple answer is that transformers hum because of an effect known as ‘lamination rattle’ caused by DC voltage on the line or poor construction or both. ‘Lam’ rattle occurs in all transformers to some degree, that degree being related to the quality of the transformer and the quality of the line voltage.
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
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 coming through...
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