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I moved my subwoofer and now there is no power.??

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Very week sound


Definitely need more info - such as type of amplifier or receiver, how many speakers you are running, whether the subwoofer is powered or not.
As a simple test procedure: Disconnect all speakers and plug in a pair of headphones. Get a strong audio signal? Good, move on. No signal or week signal, you have an amplifier issue before the audio even gets to the speakers.
Next: Disconnect all speakers, turn the volume down, and connect one speaker to the left output channel. Slowly increase the volume. If that works, do the same on the right channel. Everything OK? You're putting out enough gain on both channels. Sometimes one channel goes bad. You can still listen to your sound in mono moder, or drive two speakers from the single working output. Not stereo, but dual mono. Move on.
Connect left and right speakers but not the subwoofer. Repeat the test. Whatever is left is probably the problem. If the subwoofer is powered, check the power supply or incoming voltage. If the other speakers are driven off the subwoofer or powered from there, that's likely the problem.

Jul 31, 2015 | Audio Players & Recorders

1 Answer

So i have a subwoofer (188W) with some serious power. Next to it i have a surroundset (about 0,5 meters apart). On a day i had my subwoofer on at full power and then the surroundset turned off (becaus


You should move your surround set a little further so it doesn't interfere with the subwoofer. It may say .5 but the surround set may have a magnetic field that requires it to be further away. Just move it further and you should be good.

Mar 29, 2014 | Logitech Z506 Surround Sound Speakers

1 Answer

I have a PSB subwoofer 6i and the fuse keeps blowing every time it is renewed.


I have two in my shop right now. The power supply is to blame with these two. the manuf. has used some type of epoxy to hold down components before wave solder. This is in the high volt side of the switch mode power section right on top of the bias components . This epoxy breaks down and becomes resistive to the components below causing a direct short. There was a company years ago that had this problem with the same epoxy. A real stupid move then and a real stupid move now. If your power board is burned due to this problem your unit may not be able to be serviced. Solution is to change the supply. Of course the supply is 3/4 the cost of a new sub. Another real stupid move.
This opinion was provide by THE GREAT OZ.

Mar 29, 2011 | PSB Image Sub Sonic 6i Subwoofer

1 Answer

Had the subwoofer tested at an audio shop but they wanted to sell me a woofer. It makes no sound at all. A power issue? there was no problems with the 300 watt Kicker amp.


if the speaker cone moves it should produce some sound if it doesn't move when power is applied then the voice coil is frozen.

not really a power issue unless its a "powered sub" and if that's the case then you should not be running in high level sound using speaker wire (especially off a 300 w amp) but instead a low level signal via RCA cable.

Dec 28, 2009 | MTX Thunder 4500 T4510-04 Car Subwoofer

3 Answers

Popping harman kardon subwoofer


Mine did the same thing all of a sudden. The problem is a AC mains detection circuit that seems to affect many previous HK sub models. The solution that worked for me was to replace capacitor C112 on the main pcb of the subwoofer amplifier. You need to remove it from the circuit board with a soldering gun and replace it with a higher rated capacitor. I used a 2u2 40v and the subwoofer is working perfectly again! :)

Dec 23, 2009 | Harman Kardon HKTS 12 System

1 Answer

I just got a Rockford Fosgate P1 12? subwoofer. It claims to have only 300 watt max. I guess I?m confused because I just sold a 10? subwoofer that had more watt max. Isn?t the point of the 12? to handle...


You are correct. The p1 12" is 150Watts RMS and 300Watts peak power handling.

Powering the subwoofer over 300W for a short length of time will heat up the voicecoil and you will blow the woofer.

The p1 10" (if that was your previous model) has the same power handling.

The purpose of moving up to a 12" is to displace more air.

It takes less power to move the same amount of air when you increase the cone area.
In theory - in a properly constructed enclosure - with the proper amount of airspace - tuned to the Fs of the woofer - a 12" woofer will have a greater output than a 10" with the same amount of power applied.

So, your 12" p1 will displace almost 1/3 MORE air - and should be louder than the 10 at the same amplifier gain setting.

Hope this helps clarify your connundrum.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

May 05, 2009 | Rockford Fosgate Car Audio & Video

4 Answers

Sony AMP/Subwoofer Problem


It is probably the tweeter, inside the Sub. it's the small ceramic disk between the cone magnet, and the speaker. id this thing is cracked or broken, this will cause the problem. if this is not it, then it is a problem with something in the wiring, and the only way to rectify it is to buy a new sub. Sorry due :(

Jan 26, 2008 | Audio Players & Recorders

1 Answer

No Power


I just recently moved back home to NY and hen I plugged in my subwoofer I have no power

Oct 21, 2007 | JVC TH-C3 System

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