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Power light comes on but no sound

My wife was playing my stereo loudly while watching soaps.lol and the sub stopped playing the power light comes on but no sound from the speaker

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Harmon karmon sb15 soundbar sound shuts off


A capacitor on the power board has blown. Take it to a shop or warranty replace if available

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1 Answer

The subwoofer starts to make a loud thumping sound


Remove the signal source and power it on to see if the problem occurs without any input signal. The problem could be in the receiver and not the sub

Dec 08, 2013 | Cerwin Vega Avs-sub8 150 Watt Amplified...

1 Answer

The sub on the left speaker don t play and the light went off but the mid and tweeter have sound coming out


The amplifier that drives the built in subwoofer has stopped working. The first thing to do is check that the power cord is plugged in to a live power outlet. Next, replace the fuse which you'll find on the large black metal plate on the back of the speaker. Use only the size and type fuse specified. If that does not work contact Definitive customer service at (800) 228-7148.

Apr 02, 2011 | Definitive BP7006 Main / Stereo Speaker

1 Answer

Amp burned out but fuses still good?


this is caused by inproper wiring from the speakers/subs to the amplifier.. an amp will still put out power to subs and speakers when it's wired improperly but it won't last for very long doing it... 6 months is longer than usual....

Dec 05, 2009 | MA Audio M1900XE Car Amp

3 Answers

Subwoofer makes a loud bass machine gun noise when powered up


Well, I have the same problem and I would think it has something to do with the RCA-connections. If I power up my head unit while I have my main fuse for the amp's removed and then replace the fuse as the head unit is already playing music (thus putting out a current through the RCA-connections) it works just fine. But if I just power up my stereo with the fuse in, my subs go all crazy. I guess it has something to do with disruptions in the rca cable. Maybe they are drawn too close to some power cables or speaker cables? Good luck!

Feb 12, 2009 | Alpine IDA-X300 Car CD/ MP3 Player

3 Answers

Loud humming buzzing sound coming from subwoofer


make sure you have the speaker connection right if you do then it is a ground problem try plugging it in a different outlet

Dec 16, 2008 | KLH HTA-4906 System

2 Answers

Sunfire Subwoofer 110 Noise on input plugin


A few more questions-
Does the sub hum without anything plugged into it except for power? If it makes a real loud hum almost a squeal then I think the rca cable between the receiver and the sub is dead shorted and needs to be replaced. If it's more of a low level hum, then it's a ground hum caused by many things, ie........the receiver and the sub being on different power circuits in the house.......sometimes diconnecting the cable tv feed as it enters the room while the sub is connected and humming to see if it stops........the easy fix sometimes is using a 3 to 2 prong ac adapter but lifting the ground on such a powerful amp could be a fire hazard.

Sep 25, 2008 | Sunfire True Sub MK II Subwoofer

1 Answer

Subwoofer noise


You didn't say is your sub active or passive.If its active first check signal cables from theater system,power line of the sub, it has to be the same phase as the system.If its passive take a voltmeter disconnect the sub from the system and measure for DC voltage on the SUB output on the system when its OFF.If DC voltage is present your amp is damaged.It can also be that the preamp circuit for the sub doesn't mute the input when unit is on stand by and you hear frequency of your power supply (50-60Hz) on the sub

Mar 09, 2008 | Audio Players & Recorders

3 Answers

Speakers All Cut out Including Sub When Music is Played Loud


UNPLUG THE GREEN WIRE FROM THE COMPUTER AND PLUG IT INTO A CD PLAYER IF IT WORKS BETTER ON A CD PLAYER THAN THE COMPUTER IT SELF THERE MAYBE A PROBLEM WITH THE SOUND CARD AND ALSO TRY THESE STEPS I AM GOING TO GIVE YOU I AM SURE ONE OF THEM WILL WORK.

1. Please ensure that the all the connections between the satellite speakers and the subwoofer are firmly connected.
2. Next, please connect the green colored 3.5mm audio jack to another audio device such as an iPod or an MP3 player.
3. Ensure that the SoundTouch remote control is firmly connected to the back of the subwoofer.
4. Connect the power cord from the subwoofer and connect it to another single power outlet in your house. If you have an automated voltage regulator (AVR), please connect the power cord through the AVR instead of connecting it directly to a power outlet in your house.
5. Power up the speaker system and check whether the power button on the SoundTouch remote control will light up.
6. Turn on the Matrix Mode ON. This option is on the SoundTouch remote control. This is to ensure all speakers from the speaker system will produce audio that will be played from the audio device.
7. Play audio from the audio device. Check and see whether the all the speakers will produce audio being played from the audio device.

IF NONE WORK TRY THESE STEPS:

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1 Answer

Shuts off after a loud sound


Hmmm...not sure but sounds like the vibration from the loud sound is causing the disk to jump. Not sure why that would power it off, but I think your thought to junk it sounds reasonable.

Dec 24, 2007 | Onkyo DV-CP704 DVD Player

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