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Sub-woofer Malfunction Sub-woofer will not always go into standby mode when input is terminated.

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Re: Sub-woofer Malfunction

Sub can be detecting signal from your amp. maybe your amp has some small output when in standby mode. some amps throughput signal from satellite boxes when they are supposed to be off.
try shutting off that signal source as well.
good luck

Posted on Dec 28, 2007

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My wireless subwoofer keep cutting off and coming back on when the music or movie is playing

Some/most Sub Woofers have a Switch that turns them Off/On/ or Auto. On Auto, the Sub only turns on when there is a signal present. ( sound coming into the Sub ) When there is no signal, the sub goes into standby mode. Wireless subs may be made to be in standby mode as the default.

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How to hook up emerson subwoofer sw 03

For powered sub :If your receiver has a sub woofer output on female RCA plug, that is the way to go. If no output you will have to get a speaker line to line output converter to then connect to your subwoofer amp input.

Unpowered sub - just hook up across the speaker terminals for each channel making sure that you hook it up in phase.

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Sub woofer, duck call noise at start up!

Contact the seller and the shipper and have it replaced. You wont be happy unless you do. You will always wonder about sound quality.

Apr 29, 2013 | Speakers & Subwoofers

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Hi I have just bought a Sony 820av amp and tannoy sfx speakers. I have got all working except my sub. Can anyone advise me on correct cabling for the sub to amp?

Sub woofers are just mono amps. They feed both the right and left output together. So all you need is a stereo to mono cable. The two jacks go in the sub and the single mono into one of the terminals on your amp. The other terminal will allow another sub to be connected I think, though please check your manual for this.

Jan 17, 2013 | Speakers & Subwoofers

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How to hookup

if u want to hook up the sub with ur av receiver the connect the sub woofer output of ur AVR to any one (left or right) input of ur sub woofer. then connect its power . set the frequency range between 90 and 120Hz. set the volume of sub woofer to 40% of its total. also check the av receives speaker setting. goto speaker setup and make ON the sub woofer out.

if want to connect the sub to a stereo amp without sub out. then connect the amps speaker line to the speaker input of sub woofer and connect the speaker out of sub to left and right speaker ( make sure to connect the red to red and black to black). set the volume and frequency as above

Jan 01, 2011 | Wharfedale PowerCube PC-10 Subwoofer

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How it can be connected to a stereo amp

if ur amplifier have a pre out, then u can connect that to ur L/R input of ur sub woofer.

if not the only way is, connect ur amplifiers speaker output to sub woofers speaker input and then connect ur speaker to sub woofer speaker output terminal. remember don't inter change positive and negative wires.

if ur amplifier have speaker A,B connection then it is very easy. connect the speaker A to ur left and right speaker. then connect speaker B to ur sub woofer's left and right speaker input. be sure to make that speaker A and B switch is in on position. the power on both and check it. ( use good quality speaker cable to connect the sub woofer)

your sub woofer is designed to work , both at low level and high level input.

Dec 17, 2010 | Yamaha YST-SW215 Subwoofer

1 Answer

The cooling fins on my Wharfedale SW250 sub woofer are always quite warm, even when I have not used it for a couple of days. Is this Normal?

Sounds like it is on standby all the time. It only powers up fully when detecting an audio signal but will otherwise be in constant low power mode when not used.

Oct 30, 2010 | Wharfedale SW250 Subwoofer Subwoofer

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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

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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.


Aug 18, 2008 | Speakers & Subwoofers

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