Question about JBL PB10 Subwoofer

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Sub and amp problem

Ok my amp is getting power but my subs arent ive checked the wiring it looks ok but im thinking it could be the rca cables i was wondering if there is anything else i can check ?? im dying here i hate music with no base heeeeeeeeeeeellllp!!!!!!!!!!!!!

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  • Anonymous Jan 04, 2009

    I have to unplug and replug the 120 volt cable to get the led's to turn green. Doesn't work all the time.

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  • 57 Answers

You should get power even without the RCA cable.

I believe you should take time and check your connection.
please use the right cable for your sub. you need the right cable
to boost the sub. Check radio shark or Sam Ask for better sub cable.The better one don't come with your system.

Good luck

Posted on Jul 24, 2008

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1 Answer

My powered sub is humming


Does the humming go away if the cable is plugged in but you wiggle it? May be a bad connection on the input jack.

Mar 22, 2013 | Klipsch Speakers & Subwoofers

2 Answers

I have a Niles SW300 subwoofer that continues to blow fuses. I have replaced the fuse, but when it the power is plugged back in the fuse immediately blows.


ok, temporary cheap fix... (i mean in a ******* engineering kinda way ;-) . . . )
since your primary receiver has a sub-out RCA plug, you can hop into the local pawn shop, buy a cheap receiver and an RCA line splitter, and connect the primary sub-out to the CD or any input EXCEPT phono (resistance is different on the phono rca's). remove the plate from the sub and run the speaker wire from the "pawn stereo" directly to the speaker. replace plate on sub to keep box sealed, and adjust receivers to desired level of bass & volume.
You have spent $50 and now have a decent sounding system again.

Mar 27, 2011 | Speakers & Subwoofers

1 Answer

My sub has stopped working. It worked fine for the 3 years i've had it; then nothing. I have never touched the CUT OFF FREQ or PHASE and theVOL has always been at 50%. I connect it to my Yamaha RX-V730...


We're talking Sony SA-WM200 Sub, right?

OK, now we go through the usual drill.

Does it work during speaker setup?

Yes? Not broken. Redefine the failure mode and start over.

No? Is it defined to the receiver?

Yes? Are you sure the RCA cable is ok? Try another.

Still unresolved?

Let's prove it's getting an input. Move the cable from the Sub Woofer Out to either channel of the Main Output (below the speaker connectors) and choose FM as the source. This would eliminate direct a Front Channel signal to the sub, bypassing the internal dependency of directing only LFE to the sub. Granted, there may not be much low bass in the program but a working sub will reproduce something in the presence of full-range signal. You may have to actually touch the driver to feel it moving.

Still nothing?

Then we're doing forensics.


Did it just stop working while you weren't looking or was there something traumatic that preceded it?

Disconnect the power to the sub. If you can access the actual terminals on the back of the speaker driver you could disconnect them and attach speaker leads from, say, your front right speaker, to see if the driver is alive. Or, if you have an ohmmeter, just measure across the terminals. You should have some kind of low single-digit reading but not a dead short. If the driver is ok that would point to an internal amp problem. Too bad. A pro needs to look at it.

I had a Klipsch sub amp die on me and the local guru couldn't do anything with it so I disconnected driver from the amp, ran some cables outside the enclosure from it and got a separate amp to push it. So it's not a total loss.

Jan 18, 2010 | Sony SA-WM200 Subwoofer

2 Answers

Connect stereo amplifier to powered sub


You can y out from the main out to the sub.This output is post volume control. set level on sub to desired balance of lows feq to highs

Nov 20, 2009 | Yamaha YST-SW015 Subwoofer

1 Answer

RCA 10'' Home subwoofer powers up but no sound


  • Although most of my background is in car audio & acoustics, I did have a thought or two about some tests you can do.

DO THIS AT YOUR OWN RISK OF ELECTROCUTION - Have you tried checking the speaker terminals with a voltmeter while the unit is plugged in? I,ve seen solid state amps (both car & home amps do this) kind of lock up and send constant line voltage to the sub. In some cases the sub snaps instantly, high power subs may not. I've used power from a 110v wall outlet to show off some high SPL systems I've built (very painful 60hz earthquakes). So be careful at the sub terminal it may have some voltage at it.-(If it does you probably know the rest of my answer.)- If so the sub will most likely be wasted and fused voice coils are also common when this happens.
If everything checks out okay there (make sure to check if the subs resistance is at spec while you're there) use the voltmeter and start poking around the audio side of things both on the powered sub and RCA's. You may even find a easy problem on RCA cables. Also can/did you plug the RCA's into a known source, to check their output. Most home audio is 1.5v max but some can go as high as 8v max or so. Also don't be afraid to check the simplest of items like source buttons, specifically the tape monitor buttons. My equipment has these such tape functions with little or no indication as to weather or not they are active, and not being plugged into anything you get no sound. I hope I gave some idea's you may not have tried, your fellow Audiophile-
-Dynami

Mar 31, 2009 | RCA Speakers & Subwoofers

2 Answers

Can't get my Accurian subwoofer to work


Sounds like you have everything hooked up properly. Make sure the outlet is providing AC power to the sub. Check the power switch on the sub.

If it is not working still; bring it back and swap it for another one before you warranty runs out.

Jan 28, 2009 | Speakers & Subwoofers

1 Answer

Subwoofer to receiver hookup


In general, there are two ways to hook up your sub-woofer. First using the high level outputs from your receiver ( speaker output from the front R & L speaker terminals ) run a set of wires from the outputs to the speaker inputs on the sub-woofer, you do this in concert with the speaker wires going to the front R & L speakers which you then attach to the R & L speaker outputs on the sub woofer amp. Note that the sub woofer doesn't power your front speakers, the connections from the sub amp are just a pass through connection where the signal needed by the sub is parasitically taken from the inputs.
Second is via a low level output from your receiver / amp to the low level input on your sub amp. This is normally done via a RCA type of patch cable and connected to the sub woofer RCA jack on the rear of the source receiver or amp, Next run the patch cord to the sub amp an into the RCA jack input. IF you have a right and left input, use the Right input.

john

Aug 18, 2008 | Speakers & Subwoofers

1 Answer

DCM SUBWOOFER PROBLEM.


telll sterio use sub out and remix on in settings menu on steiro ok also does it have speaker wires in and out use them off fornts ch from sterio then back up throw sub to fronts set cross over on 100 or so

Jan 29, 2008 | DCM KX-6 Speaker

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Sound problems through subwoofer


check all speakers wires andcheck test mode. every thing ok, may be input wiring problem ,check every thing after that internalcircuit may be problem..

Oct 08, 2007 | Speakers & Subwoofers

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