Question about Denon AVR-1908

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Sub not working

I have done everything the manual told me to do but my sub is not working

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  • maxliebo Nov 19, 2008

    denon avr1908 receiver is connected to a new phillips monitor, new phillips dvd player, and the hd cable box with hdmi connectors. my problems: when i play dvds the video works but stereo does not. when playing cable tv the stereo works but the video does not. i've checked the connections like ten times and it's all kosher according to the denon manual. help please!

  • Anonymous Nov 24, 2008

    speaker on for music but cannot play tv at the same time

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Try going into the GUI and making sure that you have the setting correct for your components. Make sure that HDMI is selected for your gear. Make sure Auto is selected, if that is an option. If sound like your AVR is confused as to the connection sources (optical for audio, component for video, HDMI for both). Good luck and hope this helps.

Posted on Jan 05, 2009

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I conected my sub wrong and the unit shut down , I reconected my sub and everything seems to work fine , should I send it in for servicing?


If i'm right, the system powers down as a safety precaution. It prevented itself that it will breakdown. It's your choice but I recon you can just enjoy and listen to your favourite music.

Apr 26, 2014 | Harman Kardon AVR 7000

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I have no sound coming out of my sub woofer on my kenwood VR-407 everything else works great anyone have any ideas or solutions


yes it very much has everything to with it. your sub out is at a pre-amp lvl, so you can route that signal to another amp, then to your passive sub, or get a powered sub

Apr 19, 2013 | Kenwood VR-407 Receiver

1 Answer

Power sub woofer is not working on my pioneer vsx-81txv everything is working all the speakers except the power sub connection at the back all i can hear is the hissing sound when i try to connect the sub...


Hissing? How loud? A sub isn't even capable of making high frequency sounds at normal volumes.

The Pioneer manual would tell you how to enable and test the subwoofer output.
Page 17 and the MACCV procedures on Page 33 (auto) or 43 (manual)

Jun 13, 2011 | Pioneer VSX-81TXV Receiver

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 & Video Receivers

1 Answer

How to install klipsch sub woofer to yamaha reciever rx-v559. everything working properly but sub wont be adjusted with volume. i got my stuff moved out here but had a mate help me set up. didnt pull it...


Does the sub work at all? How is it hooked up? The sub needs to be fed by an RCA cable from the Subwoofer Output jack for the receiver to control its output.

Mar 01, 2010 | Yamaha RX-V559 Receiver

1 Answer

Subwoofer doesnt work


New sub (never worked) or sudden failure (after it used to work)?

Type of sub? Has to be self-amplified (active).

Have you read the manual? You can find it on Retrevo.com. Just register and download it.

Did you define the Sub properly (SWFR or BOTH) in the SET Menu (page 42)?

Did it produce the test tone (Page 21)?

If all of these are done and the sub still doesn't work, maybe the sub is defective. Connect a CD player analog output to it to prove it can produce sounds.

Oct 20, 2009 | Yamaha HTR-5540 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

Yahmaha rxz9 no output signal to sub


the part where you plug in the sub has blown or warn out over night dude get it repaired i think u need to change the fuse inside the reciever

Dec 31, 2008 | Yamaha RX-Z9 Receiver

1 Answer

No subwoofer output


yes, you do have to set up the sub output in the reciever.

May 17, 2008 | JVC RX-8020V Receiver

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