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Author Topic: Popping subwoofer
Chris Hipp
Phenomenal Film Handler

Posts: 1462
From: Mesquite, Tx (east of Dallas)
Registered: Jul 2003


 - posted 10-08-2003 06:26 PM      Profile for Chris Hipp   Email Chris Hipp   Send New Private Message       Edit/Delete Post 
My subwoofer seems to turn itself on and off when I am not running in dolby. I assume that it is some sort of energy saver, but it is very annoying. Does anyone have any ideas on how to combat it?

I have a pioneer VSX-508

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Joe Redifer
You need a beating today

Posts: 12859
From: Denver, Colorado
Registered: May 99


 - posted 10-08-2003 07:24 PM      Profile for Joe Redifer   Author's Homepage   Email Joe Redifer   Send New Private Message       Edit/Delete Post 
That would be the fault of the subwoofer itself, not the receiver. So the Pioneer VSX is out of the equation. Some powered subwoofers only turn on when signal is being sent, and then shut off after being idle for a bit. That's just bad design. On most of them, though, should be a way to make it so that it stays on 100% of the time. I have personally never powered my subwoofer down in the nearly 6 years I've owned it and have seen no negative effect whatsoever. Check around the back of the sub and see of there are any switches you can flip.

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Chris Hipp
Phenomenal Film Handler

Posts: 1462
From: Mesquite, Tx (east of Dallas)
Registered: Jul 2003


 - posted 10-08-2003 07:52 PM      Profile for Chris Hipp   Email Chris Hipp   Send New Private Message       Edit/Delete Post 
No switches, there is a rotary knob for the power output that I usually keep at about 75%.

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Joe Redifer
You need a beating today

Posts: 12859
From: Denver, Colorado
Registered: May 99


 - posted 10-08-2003 08:32 PM      Profile for Joe Redifer   Author's Homepage   Email Joe Redifer   Send New Private Message       Edit/Delete Post 
The only workaraound I can see is just to turn it off when it is not in discrete playback (I assume that's what you meant by Dolby).

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Daryl C. W. O'Shea
Film God

Posts: 3977
From: Midland Ontario Canada (where Panavision & IMAX lenses come from)
Registered: Jun 2002


 - posted 10-08-2003 09:40 PM      Profile for Daryl C. W. O'Shea   Author's Homepage   Email Daryl C. W. O'Shea   Send New Private Message       Edit/Delete Post 
Rip it apart and remove the time delay circuit. [evil]

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Jarred Olsen
Film Handler

Posts: 19
From: Hanford, CA, USA
Registered: Aug 2003


 - posted 10-12-2003 06:09 AM      Profile for Jarred Olsen   Email Jarred Olsen   Send New Private Message       Edit/Delete Post 
I have a Sony SA-VE445H connected up to a Sony STR-DE595 and I haven't had any such problem like that. My subwoofer is on standby mode all the time and the receiver on ProLogic unless it can grab something better (DD 5.1 via TosLink). Even if I turn on/off the receiver, no feedback from the subwoofer.

However, my Klipsch ProMedia 5.1 system does give off feedback but only when first turned on. It's connected to a Klipsch ProMedia DD-5.1 pre/dec that converts Dolby Surround from my computer and Xbox to the speakers.

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