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New amp (jl 300/2)

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Old Aug 29, 2007 | 11:59 PM
  #31  
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From: Austin
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no sears near my house, but home depot is like 1 minute away
is this one okay as well
http://www.homedepot.com/webapp/wcs/stores...uctId=100013868
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Old Aug 30, 2007 | 03:51 AM
  #32  
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yea that'll do.. your just ganna be using the DC settings for now anyways.
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Old Aug 30, 2007 | 08:36 AM
  #33  
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From: Austin
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Another strange fact....
The system works better when the car is on. If the car is off and the key is in the ignition, the speakers rarely play. But once the car starts up, they work more often.
The amount of volume doesnt seem to matter much. At higher levels its basically gauranteed it will not work(anything past like 17 of 30)
but sometimes it doesnt even work at 5.
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Old Aug 30, 2007 | 08:42 AM
  #34  
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deffinatly sounds like your not getting the current to the amp!

Check your voltage at the amp when it clips. I would almost bet your going to find a poor connection. What i have seen mostly people have poor ground connections.
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Old Aug 30, 2007 | 09:01 AM
  #35  
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have you disconnected your sub amp to see if it makes any difference?
just pull its fuse in the distribution block.
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Old Aug 30, 2007 | 02:51 PM
  #36  
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From: Austin
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how would that make a difference? Or...i should say, why would that affect how the other amp functions?

Ill try and do this tonight(remove the fuse) and report ont he results.

Also, Ill try and get a new ground connection.

Sorry guys, this is a big learning process for me, and im hoping to use this knowledge to help other people as well. This was my first install job, but im already thinking I can probably help a few of my friends in their installs.
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Old Aug 30, 2007 | 05:35 PM
  #37  
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it's unlikely to make a difference, but you're sharing two things between
the amps - the main power supply, and the turn-on lead, so it's worth taking
the other amp out of the picture since it's so easy to do. You may also want
to swap the RCAs between the two amps - again unlikely to make a
difference, but that'll take the headunit out of the equation since you know
you're not having problems with the sub channels. Basically just removing
variables to help narrow in on the problem.
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Old Aug 30, 2007 | 07:21 PM
  #38  
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ya, ill try swapping the rcas too....
but i would have to swap them out from the HU as well correct. Like I would have to swap behind the HU, then also swap between both amps otherwise the component amp would be under the subwoofer control in the HU, and the sub would be under the bass//treble controle of the HU yes?did this make sense?
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Old Aug 30, 2007 | 08:17 PM
  #39  
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I was assuming you'd only swap the ends at the amp, so then you'd have a
known good signal going to the misbehaving amp. if your headunit
subwoofer out is filtered, you might get some funky sound (no highs) , but
if it's full-range and low-pass filtered instead at the amp, it'll work fine for
testing purposes.
If swapping one end suddenly fixes your problem, then I'd swap the other
end to see if it's the headunit or RCA. just methodically change one variable
at a time to try to isolate where the problem lies.
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Old Aug 30, 2007 | 10:26 PM
  #40  
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Dude just put ur old amp in and see if it does it..
Why waste time switching RCA's and everything else when you could just throw another amp in to test it out.
If it doesn't do it then you know its the new amp thats screwed up.
Its not ur power, for if it was then you would of blew the main fuse and/or your amp would go into protect because not enough power.
Take the amp back and say its bad and get a new one... That will rule out the amp being the cause, cause thats what it sounds like is bad

Simple as that.
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