Troubleshooting Subwoofer (no sound) - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 4 Old 08-22-2017, 04:08 PM - Thread Starter
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Troubleshooting Subwoofer (no sound)

I recently purchased a 2.0 audio setup: Denon X1200 receiver plus two KEF Q100s on stands as main speakers. Everything worked really well, no complaints. Now I'm attempting to add a Polk PSW 10 Subwoofer, connected to the X1200 through one of the two subwoofer pre-outs with a standard RCA cable to one of the subwoofer inputs. Volume on the subwoofer is at the preset level, low pass filter turned all the way up.

I attempted to set up the subwoofer two different ways: first, using Denon's manual setup (Setup --> Speakers --> Manual Setup --> Speaker Config --> Front 'Small' and Subwoofer 'Yes') and secondly, through the Audyssey setup. Subwoofer Mode is LFE, LPF for LPE at 120Hz. I'm not getting any subwoofer output at all either way when I test the system with various audio sources.

So here's what I'm seeing: the subwoofer power light goes to green if I turn it to 'on' and on the 'auto' setting will switch from red to green after a few seconds with audio output from my CD player (aka a Playstation 3). I get an audible 'thump' sound when plugging/unplugging the RCA cable from the subwoofer input. However, when I try a test tone it works for L and R speakers but nothing from the subwoofer.

Anyone have any suggestions to get the subwoofer going?

Thanks!
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post #2 of 4 Old 08-22-2017, 04:32 PM
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Quote:
Originally Posted by LosDosGatos View Post
Volume on the subwoofer is at the preset level, low pass filter turned all the way up.
I would try turning the LPF all the way DOWN.
And the volume up.
Way up!
Michael

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post #3 of 4 Old 08-28-2017, 07:16 AM - Thread Starter
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Well - I can now get a test tone out the subwoofer through Setup Assistant --> Speaker Setup, still nothing through Speakers --> Manual Setup --> Levels. Haven't figured out how to get any audio from the subwoofer during CD/DVD/Blu-Ray playback or while watching TV (streaming DirecTV Now through Apple TV), but at least the test tone success is proof the Denon receiver *can* output audio to the subwoofer. Anyone have any ideas as to what the solution might be?
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post #4 of 4 Old 08-28-2017, 08:34 AM
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what is the sound setting? dolby,dts, direct ,stereo. set it to stereo or dolby and recheck settings after running audyssey

Audyssey is a great start, but not always a great finish.
Receiver:Marantz SR-5010, Speakers:Def Tech ST-8060 towers, CS-8040 center, SR-8040 surrounds, Pro Monitor 1000 heights
Subwoofer: SVS PB-2000
TV: 65" LG UG8700 remote: Harmony 1000

Last edited by littlefoott; 08-28-2017 at 08:37 AM.
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