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#1
10-24-2009, 01:09 PM
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Aftermarket Sub cuts out at higher volume
Not sure what has if anything I did wrong in this install. The case seems I followed the Bose install sticky for my MY09 G37x Sedan.
The Sub works till it gets to about 70% volume. Things to note. I have the HU bass setting turned down. Have the tried high and low voltage input setting on the JL 500/1 Amp Also turned the gain very far down as well. When I adjust the all balance to come from only the left or right channel. The nothing cuts out and life is sort of good.... I have checked rechecked my connections make sure there are no frayed wires and all the cable inputs are on the correct polarities. Any one have any suggestions. At this point I am for a loss... 
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#2
10-24-2009, 02:02 PM
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Do you see any protection lights light up on the jl 500/1? If your subs are wired below 1.5 ohm, it will go into protection.
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#3
10-24-2009, 02:13 PM
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Quote:
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#4
10-24-2009, 02:18 PM
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can you check with a digital multimeter what resistance your sub is wired at? Just remove the speaker wire from the amp and put + + - - .
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#5
10-24-2009, 02:27 PM
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Also do you have a good ground to the amp? When you connected the ground to the chassis of the car, did you sand down the paint/primer around the bolt? Sometimes a bad ground can shut off the amp.
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#6
10-24-2009, 02:37 PM
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I attached it to the lower plate behind the seat and sanded it down to the bare metal before bolting the grounding block to it.
The part that has me is that when the chan is all left or right it works fine. Like I am getting to much voltage to the inputs. But from what I saw as long as I was tapping off the. Blue and Pink and Teal and Purple lines I should not need to run it through a line out to preamp out converter.
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#7
10-24-2009, 05:53 PM
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Another thing you should note is that there is something called bass rolloff at ~70% max you lose the low end signals. couple remedies for this. A - wire to front speakers instead of rears. B - buy something like an MTX Re-Q, JL cleansweep etc
__________________
Too many mods
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| Tags |
| 5001, amp, cuts, high, infinity, jl, volume |
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