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#99405 - 06/20/05 05:42 PM Re: (Do I dare?) Wierd SVS thing..
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4449
Loc: Marion, IA
Tom from SVS has me doing the usual. Use a different cable, try a different outlet (actually my idea), but of course if the problem was a pure fluke, I am wasting my time. Of course, if the sub does it again, then it localizes it (somewhat) to the sub or the receiver (which is powered of... OK, in standby mode like all receivers).

This could be a long process until the problem happens again...
_________________________
http://ht.buol.us
M60s, VP180, VP150, QS8s, SVS 20-39PCi, HTPC, JVC RS45, Onkyo TX-NR709, Shakers

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#99406 - 06/20/05 06:58 PM Re: (Do I dare?) Wierd SVS thing..
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16273
Loc: Leesburg, Virginia
I just thought of a possible cause for your problem. I have a small powered subwoofer attached to my computer. It has an auto on/off signal sense feature, just like your SVS.

I occasionally notice that it is on even though my computer is off and incapable of generating a signal. I've been able to track this "phantom turn on" issue to two causes.
  1. I have a halogen desk lamp plugged into the same power strip as the subwoofer. When I turn the desk lamp on, it triggers the sub to turn on, as well.
  2. I often leave my cell phone on my computer desk. If my speakers are on when the phone communicates with the cell network, they pick up the signal and I canhear beeping noises through the speakers. The cell signal also triggers the sub to awaken and make noise.
Does either of these causes match up with your situation?
_________________________
"I wish I had documented more…" said nobody on their death bed, ever.

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#99407 - 06/20/05 07:35 PM Re: (Do I dare?) Wierd SVS thing..
bridgman Online   content
axiomite

Registered: 08/25/04
Posts: 5376
Loc: Bowmanville, Ontario, Canada
>>Of course, if the sub does it again, then it localizes it (somewhat) to the sub or the receiver (which is powered of... OK, in standby mode like all receivers).

In my case the problem only happened when the sub's amp had been powered up for a while... I heard it after the receiver was switched off but the sub's auto-on was still on for 15 minutes or whatever the time is.

I was able to repro more quickly by leaving the sub powered on (rather than auto-on) after checking with SVS that it was OK to do so.

Sounds like a different problem though, mine was more like what you would get if you crossed... well, maybe a canary with a subwoofer. Very low frequency chirps

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#99408 - 06/20/05 10:05 PM Re: (Do I dare?) Wierd SVS thing..
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4449
Loc: Marion, IA
In response to:

Poster: pmbuko
Subject: Re: (Do I dare?) Wierd SVS thing..

I just thought of a possible cause for your problem. I have a small powered subwoofer attached to my computer. It has an auto on/off signal sense feature, just like your SVS.

I occasionally notice that it is on even though my computer is off and incapable of generating a signal. I've been able to track this "phantom turn on" issue to two causes.

I have a halogen desk lamp plugged into the same power strip as the subwoofer. When I turn the desk lamp on, it triggers the sub to turn on, as well.
I often leave my cell phone on my computer desk. If my speakers are on when the phone communicates with the cell network, they pick up the signal and I canhear beeping noises through the speakers. The cell signal also triggers the sub to awaken and make noise.
Does either of these causes match up with your situation?
_______________________________

Mine happened in the middle of the night with no lights on, nothing "powering on or off" (my computer subwoofer makes a click sound when I turn on or off the lights in the room that it is in since it is on the same circuit, so I know what you mean there). It is just so strange. The house was just quiet, and then the low freq rumble (not hum) that was loud enough to wake me up 2 stories above it....

_________________________
http://ht.buol.us
M60s, VP180, VP150, QS8s, SVS 20-39PCi, HTPC, JVC RS45, Onkyo TX-NR709, Shakers

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#99409 - 06/20/05 10:25 PM Re: (Do I dare?) Wierd SVS thing..
bray Offline
connoisseur

Registered: 06/10/04
Posts: 1792
Loc: Colorado
Does anyone in your area have an arc welder?
I had a similar thing happen with my old sub where I use to live.
Turned out it was caused by a guy 2 blocks useing a welder.
_________________________
LIFE IS SHORT.
DON'T BE A DICK.

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#99410 - 06/20/05 10:57 PM Re: (Do I dare?) Wierd SVS thing..
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4449
Loc: Marion, IA
Hmmm... Arc welder... Don't know, to be honest. They would have to be more than a couple of blocks away from where I live if that was the case. While I am not 100% positive, I am pretty sure that nobody in our subdivision has one, but maybe it is some other power drawing equipment. It was pretty early, but just like I like to stay up late, I know others like to get up early.
_________________________
http://ht.buol.us
M60s, VP180, VP150, QS8s, SVS 20-39PCi, HTPC, JVC RS45, Onkyo TX-NR709, Shakers

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#99411 - 06/20/05 11:49 PM Re: (Do I dare?) Wierd SVS thing..
bray Offline
connoisseur

Registered: 06/10/04
Posts: 1792
Loc: Colorado
I'm not one of those people.
_________________________
LIFE IS SHORT.
DON'T BE A DICK.

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#99412 - 06/21/05 12:06 AM Re: (Do I dare?) Wierd SVS thing..
nickbuol Offline
connoisseur

Registered: 09/16/04
Posts: 4449
Loc: Marion, IA
The up early or up late?
_________________________
http://ht.buol.us
M60s, VP180, VP150, QS8s, SVS 20-39PCi, HTPC, JVC RS45, Onkyo TX-NR709, Shakers

Top
#99413 - 06/21/05 08:09 PM Re: (Do I dare?) Wierd SVS thing..
bray Offline
connoisseur

Registered: 06/10/04
Posts: 1792
Loc: Colorado
Ask any of my XGFs.
I am not a morning person.
9.00A.M. and I'm ok, any earlier....... make sure there is GOOD coffee.
_________________________
LIFE IS SHORT.
DON'T BE A DICK.

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