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THERE IS NO SIGNAL COMING FROM THE SUBWOOFER, IT IS CONNECTED TO A SONY AMPLIFIER IN THE SUBWOOFER JACK, AND CONNECTED TO THE SUBWOOFER IN THE LOW LEVEL INPUT. THE SUBWOOFER IS CONNECTED TO THE MAIN, AND IS TURNED ON. WHAT IS WRONG??

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  • 26 Answers

With everything connected correctly there could be a couple of possible problems:

1. If your receiver has on screen display capabilities, you may need to turn the subwoofer output "on"
2. If your subwoofer has speaker wire inputs/outputs, you could run speaker wire to it, then to your speakers & test if the subwoofer is working... hence verifying that the receiver has a function to turn the subwoofer output on/off
3. The cable between the subwoofer & receiver could be bad. Try another cable.

Good luck!

Posted on Mar 17, 2011

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Posted on Jan 02, 2017

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1 Answer

Whats a control jack on a sony SS-WG450 plug into if i'm hooking it to a JVC reciever?


That subwoofer is included in the MHC-GX450 system. I have the amp/CD/radio unit. but not the subwoofer. The control cable connects the LED on the Sub to the main unit. When the main unit detects this connection to the LED it switches on its internal subwoofer amp to drive the subwoofer.

Does the JVC receiver use a "control" circuit through its external subwoofer unit to signal that it is connected to the subwoofer? If not, you do not need to use the control jack on the
SS-WG450 to connect to the JVC receiver. Connecting the Sony subwoofer to a subwoofer output on the JVC unit may be enough. Do check the impedance required by your JVC receiver. Sony lists the SS-WG450 as having a Nominal impedance of 6 Ohms. Is this high enough for the JVC unit?

Feb 03, 2012 | Sony MHC-GX450 CD Shelf System

3 Answers

My sony STR-DE475 has no bass. The bass just went out after running it for 6 hours.


Either the subwoofer speaker or its amplifier failed - they couldn't handle the extended use. Simple test to find out which: put the volume really low, connect another subwoofer (or a large normal speaker) to the bass output on the receiver and play some music. If you get sound then the original subwoofer is faulty, just get a new one. If you don't get sound then the amplifier for the subwoofer channel has failed. You could replace it yourself if you have enough electronics repair experience, otherwise it will be cheaper to just get another good sh low end receiver from a site like Ebay.

Sep 26, 2011 | Sony STR-DE475 Receiver

1 Answer

Do you plug the sub woofer outputs to another amp?


Yes, for best results. Your subwoofer should have a seperate amplifier because it has low pass filter that produces low frequency signals. It is done by connecting the sub woofer output to the input signal of the amplifier and then connecting the output signal to the subwoofer speaker terminals. Hope this helps.

Jul 01, 2011 | Car Audio & Video

2 Answers

Can u connect another subwoofer to this sub? if so how?


Yes, you can connect another subwoofer too along with this unit, hook RCA pin in this subwoofer coming from amplifier sub out and there is RA jack line-out, anothersubwoofer can be plugged there. It is mentioned in user manual page-7 and previous expert gave you user manual link to download a copy.
Thanks.

Aug 26, 2010 | Sony SA-W305 Subwoofer

1 Answer

Receiver cannot recognize subwoofer


As I implied earlier, take a clue from the physical style of connectors for both parts of the subwoofer function in the old and new receivers:

RCA connections are for Line Level signal between components only.

The input (bare wire) at the speaker is for AMPLIFIED signal.

You can't just modify one to fit the other and expect magic to happen. Be glad you didn't do it the other way around and modify an amplified (speaker level) outout into a Line Level input. You likely would have smoked that component.

Your subwoofer is a passive speaker, that is, like any other speaker it needs an amplifier. Many subs are self-powered (amp built-in) and they would mate well with the RCA sub output of the receiver.

Get yourself an Active (self-amplified) Subwoofer and run UN-MODIFIED RCA cables to it, according to its instructions, from the Sub Out of the receiver. Or get an amplifier between your receiver and the sub you have.

Feb 21, 2010 | Pioneer VSX-D607S Receiver

1 Answer

Sound coming from speakers is very low.Turntable connected to a Sony home theater system has no jack for turntable. I have it plugged into the sat/tv/cd jack.


if there is no phono input on your home theatre amp, plug the turntable into the auxillary sockets and not the sat/tv/cd input as it wont work properly in that socket. if after putting the turntable into the auxillary socket it is still too quiet then you should purchase a specially made small pre-amp booster amplifier designed for turntables to inprove the signal to noise ratio from a reputable hi-fi shop/dealer. good luck

Sep 14, 2009 | Kenwood KD-291RC Turntable

2 Answers

My amplifier has one pair of rca inputs. radio only has 1 output


Subwoofer signals should be MONO - not stereo (hence the single Component out on the radio)
Only use one RCA to send signal to your amplifier.

If you use a Y splitter - the signal voltage will be cut in half - deteriorating the quality, and therefore amplifying "dirty" signal.

If you require further help, simply reply to this thread.

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

Apr 09, 2009 | Jensen Car Audio & Video

1 Answer

No sound out of subwoofer


Connection from receiver subwoofer output jack RCA plug male go into your powered subwoofer low level input with other end of cable, then you need to select Subwoofer YES/NO on the JVC receiver speaker setup menu option, select YES if this is a powered subwoofer you are using, should power up the subwoofer, may have to adjust a test tone balance for multi speaker output also, try trimming up on the subwoofer channel to initiate the signal on if the sub has an auto-on feature.

Feb 07, 2009 | JVC RX-5020VBK Receiver

1 Answer

Speaker wire for subwoofer


Usually, a subwoofer will have its own built-in power amplifier. Thus, it will be designed to plug into a standard RCA jack (the type used for DVD players, etc). rather than having wires to connect to a speaker terminal block. Look for a jack on the back of the receiver called "Subwoofer", or simply "SW". If your subwoofer has 2 single wires, it WON'T work with your reveiver's subwoofer output, as this output only carries a line-level signal and is not amplified. You would need a separate power amplifier for this type of SW. If your SW speaker has a DVD-type plug, it should work fine with the receiver's SW output jack.

Jan 02, 2009 | JVC RX-554V Receiver

1 Answer

Sony-DG820 Subwoofer


The powered subwoofer should be connected to the black subwoofer output near the bottom of the receiver in just about the center. A subwoofer uses line level signals and has its own amplifier, Good chance that you wiped out a channel. Put the wiring back the way it was, and IF the channel was not directly connected to the speaker terminals, MAYBE, JUST MAYBE it will still work.
Chances are slim...

Apr 27, 2017 | Sony STR-DG820 Receiver

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