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Subs Cut Out & High Pitched Noise..

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Old Apr 11, 2013 | 07:05 PM
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Subs Cut Out & High Pitched Noise..

Im getting an orange light on my JL 500/1 , "Low ohms" I guess it says.. it only happens when I turn up the volume or a real bassy song plays.. when my subs stop working and I cut off all volume I get a real high pitched noise from my speakers and in my trunk.. any advice would be helpful. I didnt do the amp install, Best Buy did.
 
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Old Apr 11, 2013 | 07:47 PM
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they dont guarantee their work. jus take it back to them. could be a faulty amp
 
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Old Apr 11, 2013 | 07:49 PM
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Is the amp set to LPF, HPF or full? It should be set to LPF for a sub.

You also say "SUBS" how many of what ohm subs are hooked up to it, and how? Parallel? Series? The 500/1 isn't 1 ohm stable, so if they put two 2 ohm subs in parallel, that'll cause the protect mode to turn on.
 
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Old Apr 11, 2013 | 07:50 PM
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Originally Posted by saywat?
they dont guarantee their work. jus take it back to them. could be a faulty amp
well thatll suck if the amps faulty.. I bought it off eBay from a top rated seller that sold is Used but everything working.. thatll blow.. I figured since it only happens at high volume and **** that it just was a wiring problem..
 
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Old Apr 11, 2013 | 07:55 PM
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if op doesnt know the details of the install only thing he can do is take it best buy to diagnose. that would be much easer than typing back and forth here with no results
 
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Old Apr 11, 2013 | 08:06 PM
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yeah im not to sure of the details of the install, I have 2 JL's 10W0v3-4, posted up a pick of the amp from the back.
 
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Old Apr 11, 2013 | 08:08 PM
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post pics of the sub wires on the sub and the amp
 
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Old Apr 11, 2013 | 08:28 PM
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the wires going into the sub terminals are a positive and negative wire for each subwoofer
 
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Old Apr 11, 2013 | 08:31 PM
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and they correspond to the wires connected at the subs? if thats the case nothing special was done regarding wiring to the subs and would lead me to think its a fault in the amp itself. u have aftermarket deck or oem?
 
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Old Apr 11, 2013 | 08:33 PM
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yes they do, its an OEM Bose headunit
 
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Old Apr 11, 2013 | 08:36 PM
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thats bout where my help ends as im not familiar with the bose head unit and the bose amps . but could be somewhere with that thats causing the issue and not the jl amp. wrathernaut should have some insight. this is his forum lol
 
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Old Apr 11, 2013 | 08:39 PM
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haha well thanks for your input man.. im sure he can help, this is system has been a nightmare ever since I got it, should have just stuck with my BLose equipment
 
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Old Apr 11, 2013 | 09:20 PM
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All u have to do Is turn ur amps GAIN down its to high ...guarantee noise is gone
 
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Old Apr 11, 2013 | 09:48 PM
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Turn the infrasonic filter to on, and the freq setting for it to 25hz, the 10w0v3 doesn't go below that.

Can't tell if the input sensitivity (gain) is at max or like 30%, but if it's at max, lower it to get rid of the whine, if it's only at about 30% already, your ground may be bad, or there's a input level mismatch - Where do the RCAs go to in the stock wiring? Can you get a photo of that? If they're going into the post-amp wiring, the amp is configured wrong.

It really is a lot of things that could be wrong, so you're probably best taking back to the shop, hopefully there's a tech there who knows how to do it right.
 
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Old Apr 11, 2013 | 09:51 PM
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its probably at 30%. theres no way a installer would intentionally set it that high
 
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