Question about KEF Audio PSW 3000 Subwoofer

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Psw 3000 sub

There is power to my sub as red and green light work but there is no sound or vibration coming from sub

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  • CoalScully Aug 14, 2008

    Same here - just happened overnight. Green light but no level LEDs or output from the sub.

  • Anonymous Sep 05, 2008

    just the same here, happened just before it was 5 years old.

  • geetwo Sep 10, 2008

    Same problem. Red and green lights, very pretty, but no sound!



    Checked all connections. No sound when rubbing end of cable when powered up but not connected.

  • Anonymous Apr 04, 2009

    turn on, red / green light ok but come no sounde

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I had the same problem. It is a loose conection on the print. The Amp unit goes into failsafe mode. You can check the Rc control. You are only alowed to turn it on and off. No signal regulating.
The solution is to remove the backside, and check the print for bad connections or even broken parts.
I experienced one leg on a transistor tha had broken.
Good look

Posted on Oct 12, 2008

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Posted on Jan 02, 2017

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1 Answer

Green light comes on for a sec the red light comes on,1200 watt sony xplod amp 10'' Orion sub,I think the subs right around 3000 watts. What's wrong?:(


Your Sony Xplod amplifier turns on briefly (green light) then possibly senses a mismatch between the nominal output impedance of the amplifier and impedance of your Orion sub and goes into protect mode (red light) to prevent internal damage.

Jul 19, 2014 | Car Audio & Video

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Cadence 400 watt active sub green light on, no sound from the sub. whats wrong?




proceed according and fix it. However yi\ou must read the diode LED for diagnose. God bless you

Mar 26, 2013 | Exercise & Fitness

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I have a sony str-de475 and a kef PSW1000, i have the line in the left on the sub connected to the sub out on the amp, and the sub powers up, but im getting absolutly nothing from the amp and now all of a...


It's not clear if this has EVER worked or what is new in the scenario. The STR manual has setup instructions for supporting a sub. If you want to prove the sub itself works you could jack any source like, say, a CD player, into it to prove its amp will respond BUT IT WILL BE LOUD if it works.

Oct 05, 2011 | KEF Audio PSW 1000 Subwoofer

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When my jbl psw-d112 is on it will run just fine for a few min then it will sound like the speaker is blown. the green power light that is next to the vol level knob starts to turn red. What does this...


That model is known to have issues with the amps.Your problem is caused by a couple of components on the board shorting out.If you pull the amp out you will find on the large board behind the speaker terminal a couple of burned components.

The easiest fix is to buy a Bash 300w amp from Parts Express and replace the original amp.The Bash amp fits pretty well except that it is about an inch shorter.You can fill the hole with some mdf and have a sub that actually performs better than the original and with less heat build up as it is digital.Hope this helps,it's not complicated really.

May 01, 2010 | JBL PSW-D112 Speaker

1 Answer

I'm getting a loud "popping or clicking when i plug the sub in. also i noticed the green light comes on immediatly when the loud popping begins. the loud popping dosen't stop untill i unplug it


What's feeding it? The sub comes on automatically when it senses a signal, which seems to be what it's doing. Perhaps the loud clicking is originating at the other end of the cable.

Jan 27, 2010 | JBL PSW-D110 Speaker

3 Answers

Subwoofer will not product sound. (ignore product)


Please verify that we're talking about a JBL PSW-D110 here. I'm making no assumptions.

Are you running the Ipod into its L & R RCA jacks as prescribed?

Have you tried it with something besides the Ipod? A sub isn't supposed to reproduce a full range signal. Come to think of it, is the Ipod even outputting anything within the sub's operational range? I don't expect a lot of real bass comes out of one.

Perhaps you could try adjusting the Low Pass up to 180 to see if anything anywhere near the 'real' bass region is present.

Bottom line: There's not a lot of need for a sub (and no other speakers) running off of any music sound source. You wouldn't hear anything above 180hz.

Nov 28, 2009 | JBL PSW-D110 Speaker

1 Answer

Power not working


If it is fused check to see if the fuse is blown... Start with power and work you way down from there.
Power to the sub.
Signal to the sub
Cabling to sub
Check the speaker itself to see if it is good.

john




Aug 16, 2008 | JBL PSW-D112 Speaker

1 Answer

Amp green then red light then nothing problem please help


It sounds like the output transistors have failed. To eliminate other possible problems, read through the following page.

Troubleshooting - Amp in Protect Mode

Let me know if you have any other questions.

Aug 05, 2008 | SPL Dynamics Z2X-1600 Car Audio Amplifier

4 Answers

Red light


something is shorted in the circuit, or your subs. unhook the subs first and try it again, if it is still in protect then it is most likely the output transistors.

Feb 22, 2008 | Sony Xplod XM-554ZR Car Audio Amplifier

1 Answer

Sub woofer flashing red and green


sir,,i think there is something wrong with the connections or the cross over,,,kindly check it out or mjaybe the cone of ur speaker is damage,,,hope too help you thnkss??

Jan 27, 2008 | Kenwood SW36HT Subwoofer

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