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Ground loop problems and how to get rid of them - Audio
https://www.epanorama.net/documents/groundloop/#:~:text=Currents%20flow%20through%20these%20multiple%20paths%20and%20develop,isolate%20the%20signal%20and%20grounds%20from%20the%20other.
Ground loop problems and how to get rid of them - Audio
https://www.epanorama.net/documents/groundloop/
The dilemma is that solving "noise" problems is an art within itself. Since it doesn't come up every day, we all have limited practical experience. This has spawned an industry for those who are now specialize in solving noise problems. A good power distribution system is essential for proper operationof audio system. Professional a…
How to avoid ground loops - Audiofanzine
https://en.audiofanzine.com/recording-mixing/editorial/articles/banish-ground-loop-hum.html
It's all done electromagnetically, similar to the way your pickups are able to capture the moving mass of the metal strings. Several companies now make products with 1:1 isolation transformers built-in that will kill the ground loop hum problem quite effectively by eliminating the direct physical connection to one of the amplifiers.
Avoiding ground-loop induced hum in audio connections
http://www.channld.com/hum.html
Avoiding ground-loop induced hum inaudio connections. Input "hum" can arise from small ground potentialdifferences between signal inputs and outputs. The grounds between sound hardware 'boxes' are establishedby the AC outlets, and through signal cables. Various factorscan cause small ground potential differences between the soundinput (computer) and output (the sound …
Ground Loops - Eliminating System Hum and Buzz | …
https://www.audioholics.com/home-theater-connection/ground-loops-eliminating-system-hum-and-buzz
Cheap Solutions that Sound Too Good to Be True - Probably Are. One of the most widely popular methods of eliminating ground loops is to take a 75-ohm to 300-ohm converter, connected to a second matching transformer with two screw terminals on the 300 ohm side, and putting it inline with your cable TV feed.
Tackling Ground Loop Audio Noise - Sound Devices
https://www.sounddevices.com/tackling-ground-loop-audio-noise/
Below are a few things you can try to reduce or eliminate ground loops. There is no definitive set of rules which can resolve every ground loop situation, but trial and error often leads to a solution. Use short, high quality power and audio cables to ensure low impedance connections. Where possible, use balanced cables and audio devices with transformer …
Find and Eliminate Ground Loops - Circuit Cellar
https://circuitcellar.com/resources/ee-tips/find-and-eliminate-ground-loops/
Digital circuits are much less sensitive to ground loops than the analog ones, but it is a good idea to minimize potential loops by connecting all your peripherals, other than wireless, into a single power bar. Ground loops may also be created when long shielded cables are used to interface the PC and the home theatre box.
Avoiding ground loops. | All About Circuits
https://forum.allaboutcircuits.com/threads/avoiding-ground-loops.96253/
If there is a loop to be broken, do it by not connecting the USB ground to the preamp. The preamp now is a 3-wire connection to the PC, and only one of them is GND: +5 from USB connector Audio out to input connector GND to input connector Yes, power supply current now is running through a signal ground. Auntie Em! Auntie Em!!!
The pitfalls of avoiding Ground Loops... | diyAudio
https://www.diyaudio.com/community/threads/the-pitfalls-of-avoiding-ground-loops.326164/
Ground loops form because of low impedance paths, and even adding 1 ohm can substantially reduce true ground loop problems so experiment See what value you need to bring the 85 volts down to say 1 volt or 100mv and then see if that value of resistor fixes the volume issue. Even a 1k may work, perhaps even a 10k. •••
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