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Old 24th November 2007, 01:46 PM   #1
skooter is offline skooter  United States
diyAudio Member
Join Date: Oct 2007
Default PPI tuned off!

Was adj gain in my system and it hit a bass note and my PPI PCX-2200 turned off! Checked 50amp fuse by battery and blowed. Installed a new one and still nothing. wasn't pushing amp hard at all. Volume about 1/4 way and gain at 1/4 on amp. what gives? is there a fuse inside the amp? Thanks.
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Old 24th November 2007, 02:03 PM   #2
diyAudio Member
Join Date: Nov 2003
Location: Louisiana
You need to use a multimeter to confirm that you have B+ and remote voltage at the amp. Place the black meter lead on the ground terminal of the amp when checking the voltage.

Does the power light come on. If so, is it green or red?
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Old 24th November 2007, 02:04 PM   #3
ppia600 is offline ppia600  United States
diyAudio Member
Join Date: Jun 2007
Location: Louis y ana
/\/\haha, wow I must learn to type faster haha

No there is no internal fuse. Take a meter and put the leads on the power and ground plug to check for 12vdc (make sure they are still connected). Also, using the same ground wire on the amp, check the remote lead for 12vdc. Maybe your ground wire isn't tight. Also, did you bridge it? You can't bridge two 4 ohm subs, that will make the amp go into protection.
Don't worry... you can always turn the gain down!
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Old 24th November 2007, 02:24 PM   #4
skooter is offline skooter  United States
diyAudio Member
Join Date: Oct 2007
I am running two duell 4ohm subs wired to a 4 ohm load briged. there is no light on, red or green I listened to it for about 2 hours last night and then this morning i tuned sterio on and was ajusting gain and about 1/4 way up it hit a deep bass note and tuned off immediantly. light went off! no smoke or smell of any thing burnt. rechecked all wire conections and even tryed a 3rd fuse. still nothing.
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Old 24th November 2007, 03:08 PM   #5
skooter is offline skooter  United States
diyAudio Member
Join Date: Oct 2007
Default As the sweat dripps off

well as the sweat dripps off my head I found the problem. It was the crimp I had on the power wire to the battery. Is this over kill?, My main power wire from the battery to my junktion box is 2/0 gauge welding cable. them from the juction box everything else is 4 gauge, including the ground wire.
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