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Turntable hum from RCA cables. | AVS Forum
https://www.avsforum.com/threads/turntable-hum-from-rca-cables.1265030/#:~:text=%7FIf%20you%20have%20spare%20RCA%20cable%206-10%20feet,TT%27s%20power%20supply%20or%20TT%27s%20cable%20has%20problem.
How to find and fix hum in 3 easy steps – PS Audio
https://www.psaudio.com/ps-how/how-to-find-and-fix-hum/
The humming is also audible through headphone after disconnecting the dual RCA cable from the amplifier. There is no external humming audible through the amplifier after disconnecting the headphone. Humming only happens when headphone is connected with or without the RCA cable. And the humming occurs and stops sporadically.
Hum over long RCA cables - General Forum - Audiophile …
https://audiophilestyle.com/forums/topic/35146-hum-over-long-rca-cables/
Hum noise is introduced from power cord, noise level increases when unbalanced RCA cable runs in parallel neighboring oval or flat type power cord. Using shielded round (twisted) power cord and increase distance between RCA and a power cord (and if possible, runs in perpendicular) alleviates hum noise.
Amazon.com: RCA Phono Ground Loop Isolator - Hum …
https://www.amazon.com/RCA-Phono-Ground-Loop-Isolator/dp/B007545XWE
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 first is to never run a power cable across or near audio or video signal cables, including antenna wires. Modern signal cables are well shielded, but …
Turntable hum from RCA cables. | AVS Forum
https://www.avsforum.com/threads/turntable-hum-from-rca-cables.1265030/
If you have spare RCA cable 6-10 feet long, try connect it to preamp instead of TT. If you hear significant hum in this case, then most likely problem is power supply in your preamp. If hum is very low, then either TT's power supply or TT's cable has problem.
RCA to XLR cable: sub hum | AVForums
https://www.avforums.com/threads/rca-to-xlr-cable-sub-hum.2395421/
Take a wire (anything will do really) from the turntable ground post on the AVR if it has one, if not, unwind a case screw a bit and make sure it's contacting metal nicely. Run that to the Behringer and do the same there. I use one of the fan grill screws on my inuke3000. See if …
Hum in Sub when RCA is plugged in at only one end ...
https://forums.audioholics.com/forums/threads/hum-in-sub-when-rca-is-plugged-in-at-only-one-end.73132/
It's likely that the audio cable and/or the subwoofer amp is near a power line and it's picking it up through induction. If the hum disappears when the tip of the RCA plug on the far end is shorted to the ring, this means the noise is coming from something near the cable.
Turntable hum from RCA cables. - ecoustics.com
https://www.ecoustics.com/electronics/forum/home-audio/642739.html
Hum only exists when the TT is plugged into the pre-amp but it exists when the TT is on and off, including unplugged from the outlet. Swapped directions of the RCA cables from the preamp to receiver and tried different calbes, no change. Switch the R/W from TT at preamp and the hum follows the red rca.
Hum Rejection in Unbalanced Audio Cables -- Blue Jeans Cable
https://www.bluejeanscable.com/articles/humrejection.htm
Audio cables have a simple mission when it comes to noise from electromagnetic interference sources: keep it out! In this article, we address just how a good audio cable carries out that mission, and compare a few cable configurations and shield types in an effort to see just what is the best strategy for excluding EMI from the audio signal path.
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