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Onkyo TX-DS656 Sub-out stopped working

Isolated to receiver as sub works fine on other system. Tried every possible switching configuration going back to User Guide. Attempted to drive sub from all connections in Multi-Channel Pod and no results. All other sound works fine. Thank you for your suggestions.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: very low ouput from subwoofer preout

Onkyo to Onkyo, sub/receiver, problem fixed by inceasing volume on receiver. Seems the sub audio input does not pick up LF's below a certain output level from the receiver. So, guess I have to live with that. I only hope my nieghbor in the apartment below me can too!

Posted on Apr 29, 2008

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  • 1 Answer

SOURCE: Onkyo 805 sub hook up problem

Looking at the back of the sr805, there is a second subwoofer output, this one is the preout. 4 rca jacks to the right of the non-preout subwooker. Moved it, and all works now.

Posted on May 15, 2008

  • 1 Answer

SOURCE: Onkyo 805 sub hook up problem

I made the same mistake when i hooked my REL sub up to the back of the 805.

The problem is there are 2 connectors on the back of the amp that are labeled as sub out. Look very closely, you will see that there are 2 grouped RCA outs. The RCA out group you are looking for differentiated by groups of "little white dots" all the way to the far right on the back of the amp. Hope this helps.

Posted on Jun 09, 2008

  • 17 Answers

SOURCE: No sound from Sub Pre-out on Onkyo TX-SR606

Also, it could possibly the preout terminal itself that is not working. One way to prove that is by transferring the subwoofer cable from the preout and temporarily transfer it to the tape out section. If it ouputs sound from there, then that means the speaker and the cables are working fine and it's just the preout terminal itself that is not picking up anything. ^_^

Posted on Dec 16, 2008

renosean
  • 492 Answers

SOURCE: No Signal on sub preout on my Onkyo TX-SR703 AVR

Well the next step would be to make sure that all the settings are set to subwoofer yes, and set your crossover as well.  The amp usually has a crossover which tells the microprocessor which frequencys to send to the sub.  

Posted on Jan 06, 2009

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Powered subwoofer amp repair? On and off works fine.. very weak signal to sub. All wires checked and working fine.


For starters, it is a home theater in a box. With that being said, highly consider upgrading before spending more money on the system. If thats not even an option, have you tried adjusting the level of signal being sent from the receiver out to the sub? It sounds stupid, but this is often over looked and can sometimes be tricky depending upon the type of receiver you are using, to adjust the level being sent to the sub... Typically when a subwoofer has little to no sound, this is the issue. Also, is the sub powered (does it have its own amplification using a power cord that plugs into an electrical outlet? If so, does it have a volume knob on the back, and does it respond when turning the knob? If its not powered, than your problem is what I described above, unless you've already done that. If that is the case, your speaker is fried... Hope this helps

Jun 19, 2014 | Cerwin Vega CMX 5.1 Home Theater Package...

1 Answer

Problems with JBL PSW D110


The speaker level input option is designed for receivers that don't have digital output for the sub, used this way when you set to digital the speaker outputs only get the higher range outputs so won't reproduce much bass. To get the sub to work in digital mode you need to use the digital output (single RCA) from the amp to the sub

Mar 06, 2012 | Audio Players & Recorders

2 Answers

I have a Fisher RS-909 Surrond Sound amplifier. It has no "sub out" jack. I had the sub-woofer working in the past by wiring it as shown in the manual. The problem is that the system was in...


Alright i had a chance to look over things, this is how you are going to hook up the sub. first we'll be connecting the surround sound unit to the sub woofer.
surround sound unit sub woofer
left front: positive (+) <-----to------------->(+) left speaker level in
negative ( - )<- - -to- - - - - - ->( - ) left speaker level in

right front: positive (+) <-----to------------->(+) right speaker level in
negative ( - )<- - -to- - - - - - >( - ) right speaker level in

now that the surround sound unit is connected to the sub woofer you will need to connect the front surround sound speakers to the sub woofer.
sub woofer front surround sound speaker
left speaker level out (+)<-----to--------> (+) left front speaker
left speaker level out( - ) <- - - to- - - - ->( - ) left front speaker

right speaker level out (+)<-----to--------> (+) right front speaker
right speaker level out( - ) <- - - to- - - ->( - ) right front speaker

Alright now that the wires are all over the place and plugged in
turn everything on and see how it sounds. let me know if everything is working as it should. if you need help with anything else or if something does not seem right please feel free to contact me via e-mail or phone
Mark Woodring

Feb 13, 2011 | Audio Players & Recorders

1 Answer

Sub woofer output port does not seem to work on my kenwood VR 407, checked sub woofer on another system - works fine, any easy solutions?


Is the 407 set up to drive the unknown sub. It's not just plug n play.

The manual will guide you, around page 15. Also refer to your subwoofer manual. Try retrevo.com for that one.

http://www.retrevo.com/support/Kenwood-VR-407-Receivers-manual/id/480ag200/t/2/




Dec 29, 2010 | Kenwood VR-407 Receiver

1 Answer

Cant get bass, fuse is fine


You don't say if you've configured the Receiver to know you have a subwoofer (under Multicontrol - SUBW YES). Unless it knows about the Sub it won't send anything out that single "preout". You can get an RCA splitter to run that single output to both inputs in the Sub.

Just as an experiment, temporarily run one a pair of cables from the REC OUT to the Sub's inputs and tune an FM station to prove the Sub amplifier is alive. If it's still silent, it's dead. If there is sound (muffled) you need to go back to the Receiver to figure out why the Sub Preout is signal-starved.

May 16, 2009 | Kenwood Audio Players & Recorders

1 Answer

No output to subwoofer per-amp


you may have to go into the onscreen menu and enable it,that shuld work

May 11, 2009 | Integra DTR-8.3 Receiver

2 Answers

Denon avr 2802 can't get subwoofer to work all else fine


in the Denon setup under speaker configuration set the sub to LFE+Main

Jan 02, 2009 | Denon AVR-2802

1 Answer

Subwoofer noise


You didn't say is your sub active or passive.If its active first check signal cables from theater system,power line of the sub, it has to be the same phase as the system.If its passive take a voltmeter disconnect the sub from the system and measure for DC voltage on the SUB output on the system when its OFF.If DC voltage is present your amp is damaged.It can also be that the preamp circuit for the sub doesn't mute the input when unit is on stand by and you hear frequency of your power supply (50-60Hz) on the sub

Mar 09, 2008 | Audio Players & Recorders

1 Answer

Jensen JS1000-A sub stopped working, why?


Is is possible that the receiver's subwoofer configuration turned off? double check your speakers setup in the receiver...Just an idea.

Jun 30, 2007 | Jensen JS1000-A Subwoofer

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