JBL Venue Sub12 making odd sounds - AVS Forum
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post #1 of 12 Old 09-26-2012, 07:35 PM - Thread Starter
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I have a JBL Venue Sub12 subwoofer. Lately it's been making ODD sounds after it has been off for about 10 or 15 minutes. The sound is like a like a gurgling type sound with a brief rumble (not the good kind of rumble). Any idea what happening?
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post #2 of 12 Old 09-27-2012, 07:01 AM
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Off, as in powered off, or off as in standby mode?

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post #3 of 12 Old 09-27-2012, 07:09 AM - Thread Starter
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Off as in standby.
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post #4 of 12 Old 09-27-2012, 07:27 AM
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Try disconnecting the RCA cable from your receiver. There may be some type of interference, and if so you'll need to isolate the source.

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post #5 of 12 Old 09-27-2012, 11:43 AM - Thread Starter
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The sub has been in the same place for over 3 years. Just yesterday, 9/26/2012, installed a better, thicker cable but it still makes that odd sound after being on standby 10 or 15 minutes.
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post #6 of 12 Old 09-27-2012, 12:24 PM
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But does it make the same sound without a cable connected?

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post #7 of 12 Old 09-27-2012, 02:01 PM - Thread Starter
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I'll have to give that a try later this evening.
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post #8 of 12 Old 09-28-2012, 06:07 AM - Thread Starter
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It does not make that sound when I disconnect the cable, but about 30 minutes after I reconnect the cable it does make the sound.
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post #9 of 12 Old 09-28-2012, 07:48 AM
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Do you have cable TV?

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post #10 of 12 Old 09-28-2012, 10:38 AM - Thread Starter
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Yes, Cox Communicaions is my cable provider.
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post #11 of 12 Old 09-28-2012, 11:35 AM
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You may have a ground loop issue. Although historically the noise associated to that is pretty consistent, it might not be a bad idea to consider using an isolator on your cable line. Another thing you may want to try is an electrical adapter to remove the ground path on your subwoofer.

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post #12 of 12 Old 09-29-2012, 08:08 PM - Thread Starter
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Thanks. I'll have to look into that.
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