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Old 18th April 2010, 01:45 PM   #1
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Default incompetent installer (me) needs help

I just finnished installing a JL Cleansweep and Alpine PDX 4.100 in my car. When I reconnected the battery, all the lights and (Cleansweep) button seem to indicate that it is working correctly and the Blue ( power ) light comes on the amp, but I get no sound! When I tried connecting an IPOD directly to the amp with 2 RCAs, I still get no sound. The amps gains are set at 1/2 and for 4 speakers. Fuses are OK...

Incidentally, the Cleansweep and Alpine are from Craigslist, and so its possible one or both are bad. The only time I get any sound from the speakers is when I directly reconnect the power or ground to the amp and get a loud thump.

Is there any other test I can do? Appreciate any sugestions.

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Old 18th April 2010, 08:23 PM   #2
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Check the settings on the Alpine if i remember right change the input setting from Digital to analog
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Old 18th April 2010, 09:00 PM   #3
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I just checked under the amp's panel and don't see any digital / analog switch. Wish the was!
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Old 18th April 2010, 09:26 PM   #4
Glowbug is offline Glowbug  United States
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Location: Hillsborough, NC
Check the amp's crossovers - it sounds like you have a crossover set somewhere it shouldn't be. If it was the Cleansweep causing issues, you should have heard something when the Ipod was directly connected, but the fact that both don't work implicate the amp...
The machine does not isolate us from the great problems of nature but plunges us more deeply into them. - Antoine de Saint-Exupéry
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Old 18th April 2010, 09:39 PM   #5
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The amp has a high pass and a low pass filter. They are both set to "off".
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Old 19th April 2010, 02:02 AM   #6
jol50 is offline jol50  United States
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iPod should play on the amp itself, I would double check the amp settings DL the manual if you don't have one. Then I'd swap the amp temp if you can, see if something else works in there.
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Old 20th April 2010, 01:22 AM   #7
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I think you're right about the amp. I don't have an extra to swap with, but found a local installer who offered to bench test it for no charge. I also found an amp repairer ( Ampmender ) in Shelton, CT who might be able to fix it. However, he's at least 2 weeks backed up. The thought of 2 - 3 weeks of driving in silence is torture - so I went to Radio shack and got some cables that convert the RCAs from the Cleansweep to 2 speaker wires. I connected 2 of these together w/ my fronts and have some very low volume sound. This is a lot better than nothing. At least I know that the Cleansweep is sending a signal...just not much power behind it.
As far as the amp goes, well the seller was in Kansas and I'm in Connecticut. Sometimes you get a bargain and sometimes you don't...
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