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Humming Sound I have a humming sound in my speakers when my receiver is on. I tried to ground it and move it through all the power outlets but it does not help. I only have the speakers connected and it makes that annoying sound. Please help.

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  • Anonymous Dec 11, 2007

    i to have a constant hum coming from my nad t742 coming from my speakers (as well as my headphones). i've noticed that when i first turn on the machine the hum is louder in the right channel and diffuses between both left and right channels. its not loud, but gets more evident over time.

  • epho Dec 15, 2007

    I have a constant hum in the speakers attached to my Pioneer VSX108 reagrdless of what the source or settings are.

  • haggibaba Dec 27, 2007

    Same thing happens to me - I for some reason also get CD audio coming out at the same time when I have other audio inputs selected (eg TV and CD are both being played through the speakers at the same time) Any suggestions would be greatly appreciated!!!

  • gillamonstar Jan 18, 2008

    Humming starts when the rec is turned on, regardless if anything else is plug into it... then the humming fades over the first 5 minutes until it isn't humming...

  • Anonymous Apr 30, 2008

    No sound except humming from speakers.

  • patrick gaffrey Dec 06, 2008

    After the receiver has been operating for a few minutes, it starts emitting a humming sound that is transmitted to the two ceiling speakers. This humming occurs whether the receiver is in radio or CD mode.

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Adcom gfa 7000 amp makes a cyclic humming noise in unit not in speaker


Are your grounds to BARE metal sounds like a ground loop issue.

Feb 25, 2013 | Adcom GFA-7500 5-Channel Amplifier

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My AV receiver turns off a couple of seconds after I turn it on. I did what the manual said, unplugged the power source and removed all of the speakers but it continues to do the same thing. Anything else...


Hi,
you may have a bad Earth power 110 V AC cable connection which makes such hum / buzz even nothing connected..
Check the connections between components and make sure they are secure before proceeding to the next Step. Sometimes, loose connections can cause a hum.
  • Separate the audio cables from the power cables; electromagnetic interference from the power cables can cause stereo hum. Use cable ties to secure the audio cables away from the power cables.
  • Plug in a surge protector to the outlet, and then plug all the components into that surge protector
  • Connect a ground plug to the surge protector and then plug the ground plug into the main outlet. A ground plug is available at any hardware store, and turns a three prong connection into a two prong. Ground plugs help eliminate 60 cycle hum.
  • 5 Connect the ground wire from your turntable to the ground wire connection on the receiver. If this doesn't work, looking on the back there should be a grounding point,

    Unplug your receiver.. Split a wire and attach one of the splits to the receiver where you will see the text, "ground" or something similar. Attach the other end to something metal such as a pipe that goes into the ground. Secure with electrical tape. Plug in.
    connect the ground wire to a screw on the electrical outlet.

    Read more: How to Fix a Hum on a Stereo Receiver ' eHow.com http://www.ehow.com/how_5183193_fix-hum-stereo-receiver.html#ixzz1PpFHs1Mv

    Take care and please remember to rate me"AS THUMBS UP" Thanks
  • Jun 20, 2011 | Onkyo TX-SR606 Receiver

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    I have an older model Harman Kardon AVR and have started hearing humming from the speakers that are attached to it. Is my receiver going bad or is there something else I need to do to fix this problem?


    Hi,
    you may have a bad Earth power 110 V AC cable connection which makes such hum / buzz even nothing connected..
    Check the connections between components and make sure they are secure before proceeding to the next Step. Sometimes, loose connections can cause a hum.
  • Separate the audio cables from the power cables; electromagnetic interference from the power cables can cause stereo hum. Use cable ties to secure the audio cables away from the power cables.
  • Plug in a surge protector to the outlet, and then plug all the components into that surge protector
  • Connect a ground plug to the surge protector and then plug the ground plug into the main outlet. A ground plug is available at any hardware store, and turns a three prong connection into a two prong. Ground plugs help eliminate 60 cycle hum.
  • 5 Connect the ground wire from your turntable to the ground wire connection on the receiver. If this doesn't work, looking on the back there should be a grounding point,

    Unplug your receiver.. Split a wire and attach one of the splits to the receiver where you will see the text, "ground" or something similar. Attach the other end to something metal such as a pipe that goes into the ground. Secure with electrical tape. Plug in.
    connect the ground wire to a screw on the electrical outlet.

    Read more: How to Fix a Hum on a Stereo Receiver ' eHow.com http://www.ehow.com/how_5183193_fix-hum-stereo-receiver.html#ixzz1PpFHs1Mv


    Take care and please remember to rate "AS THUMBS UP" Thanks
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    You have a ground loop, most probably. Try grounding your receiver by running a copper wire to the screw on the electrical outlet.

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    My home theater speakers make a constant hum whenever my receiver is on. The loudness of the hum changes with the volume control, and goes away entirely when the system is muted. All components are plugged...


    jd40,
    Sounds like a grounding issue. The first two places to look into is the powered subwoofer and antenna. During your last test, did you leave the FM antenna and subwoofer connected? Many times the hum is directly related to the antenna and/or the subwoofer and to how they are grounded; creating a ground loop through the receivers ground on the outlet. If the antenna is grounded to the dwellings wiring, hum is inevitable and sometime you can get a ground loop hum from how or how & where the subwoofer is grounded. Try taking them completely out of the loop.

    Also try taking it further back to the basics, start with the receiver plugged into a known good grounded outlet with no surge or line conditioner in the loop and nothing connected to the receiver, nothing. Use one speaker and different wire to test each speaker output while in tuner and any other mode but phono. With no signal, you will either get nothing (no hum or static) or just static in the tuner mode. No hum is a good sign. Some systems will mute the speakers if no signal is connected to eliminate the static from being produced through the speakers but a ground loop hum will most likely still be produced even in mute. If you get a hum when nothing is connected to the receiver, try looking into getting a better grounded outlet, even maybe to a different dwelling.

    -Chris

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    That is often a grounding problem. Try plugging it into a different outlet, or a power conditioning device.
    If that does not help, check that all inputs are properly connected...if a composite cable is not completely seated it can sometimes cause a humming sound.

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    check your rca ground on the woof or the receiver you have a bad ground on one

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    It sounds like you might have a grounding issue. Try connecting to the wall outlet with a ground prong lifting adapter. Not just the speakers but the source plugged into the speakers also. Good luck.

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