Question about Sony Xplod XM-1652Z Car Audio Amplifier

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Loud hum When the power is turned off,loud humming noise out of base speakers

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You might have your gain level too high or frequencies

Posted on Mar 08, 2008

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4 Answers

Klh powered subwoofer model ASW10-120B... when you plug in to power... it makes a loud buzzing/humming noise


I would check the caps on the power supply. They are rather large electrolytic capacitors that will look like they burst and/or leaking. When these die, the caps ground and the sub will make a loud buzzing sound. If you are handy with a soldering iron you can replace them yourself. Replace them with the same voltage or a little bigger and same with the size.

If the cap. says 16v 4700pF on it, for example, a 20v 5300pF or a 16v 6200mF cap. will work for this application.

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Jan 05, 2016 | Audio Players & Recorders

1 Answer

Why do my desktop computer speakers have a humming noise all of a sudden? They were turned off for a couple of days .


Check the speaker cables for connectivity. Be sure to securely plug in the stereo jack/s at the back of your pc

Jul 21, 2014 | Logitech Audio Players & Recorders

1 Answer

Humming noise


Possibly a bad cable or bad ground or bad outlet?. Easy solution, try a different outlet and see if the hum still exists. Also, make sure your speaker cables are NOT run parallel along with, or close to any power cables, Speaker wires can and will pick up AC "Humm" noise.

Apr 23, 2014 | Edifier Audio Players & Recorders

1 Answer

Monitiors are not turning on


Have you tried to use these on other devices, like a DVD Player, etc.? If you get a HUMMING noise with other devices then the internal amplifier is defective and you are not getting sound production to the speakers. If you have separate power AMP and the speakers hum when connected, they may have been damaged. If you have a speaker mismatch; they tend to buzz, thus too many conditions could represent the humming. Check that the Positive and Negative polarization of the speaker wires are correct.

Jan 14, 2014 | Numark NPM5 NPM-5 - Active Studio Monitors

1 Answer

My acoustic research hd510 has a loud humming noise


check your audio line in connection, either L or R signal line floating may also cause humming noise. Sub woofer usually very sensitive. If your audio input not connected, do you still hear humming noise? in actual you should not hear such noise, unless volume at max then it is possible to hear little.

Apr 03, 2012 | Acoustic Research HD510 System

1 Answer

Altec Lansing GT5051, I'm hearing a humming noise from the speakers as soon as I turn them on. The humming noise is heard even if speakers are not connected to source.If I try and play music with...


Sounds like a problem in the speakers' internal power supply, maybe a faulty capacitor. Speakers need to be looked at by a technician, or replaced with a new set.

Jun 05, 2011 | Altec Lansing GT5051 Computer Speakers

1 Answer

I have a pair of JM lab Electra 905 speakers, running through a DNM amp and power amps. When powered up, the left speaker makes a very loud humming noise. This has happened recently. I haven't changed...


Hello
Switch on your amp, keep its volue down to extreme low, and listen if there is still hum through the left channel or not. If still there is hum, the left side power amplifier section inside the amp;ifier is faulty. If htere is no hum at this state, hum enters thorugh the audio input terminal, and the input wires must be checked for open sheild connection. OK.

Apr 10, 2011 | Jmlab Electra 905 Speaker

1 Answer

Loud humming noise from new hdtv


hello, the speakers are fualty or have a shorted connection if they came with the tv contac your seller and arrange for a replacement imediately dont wait. since they are giving you feedback dont use them they may cuase other fualts in your tv, any component thats cuases hum or noise when pluged into the tv should not be used at all.

one important thing is to have a grounded plug this also may cuase fualts down the line,
if posible get a power line conditioner or ups (uniteruptable power supply)

flat panels are very over protective you dont want the tv to start blinking. since flat panels have built in protection circuts any slight short or fualt may cuase the wide screen to go into circut shutdown mode and this will cost you more if the speakers create a short in your audio circut it may damage your widescreen internal boards and cuase a system shutdown circut (red light flashing no picture)

contac your sellers site let them know your speaker are cuasing a loud hum
and that you will need the speakers replaced these are definitely fualty
if you dont have any coverage or you got the set as is then dont take any chances use other speakers.
if you are electronically inclined you can open these up and find out whats wrong with them internaly it may be a loose connection, since opening up the equipment may void your warantee contac the store first see what they say..
good luck happy holidays

Dec 10, 2008 | Hannspree Televison & Video

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