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REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS, THEN POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL BLOWS THE FUSE, THEN IT WILL NEED TO BE SERVICED. IF IT BLOWS THE FUSE BEFORE TURNING IT ON, THEN YOUR PROBLEM IS IN THE POWER SUPPLY SECTION. IF IT BLOWS THE FUSE AFTER ATTEMPTING TO TURN IT ON, THEN YOUR PROBLEM IS PROBABLY IN THE OUTPUT SECTION. ALSO KEEP IN MIND THAT THE P1'S ARE REALLY NOT RATED FOR THAT MUCH POWER AND YOU MAY HAVE DAMAGED THE VOICECOILS. BEFORE REINSTALLING THE AMPLIFIER, MAKE SURE TO CHECK THE SPEAKERS FOR SHORTED VOICECOILS OR YOU WILL POSSIBLY DAMAGE THE AMPLIFIER AGAIN. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V
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Sounds like you're grounded out somewhere. I'd check your main power wire again, make sure there isn't any abrasions or cracks in the insulation. I had a Fosgate amp that would blow fuses everytime they were put in. turned out to be one of the screws to mount the amp to my floor board was grounding it out, pulled the screws and has worked fine ever since
Is it the correct size fuse ? Is it the power fuse or remote ? Either way check your connections going into the amp . Try this hook your other amp to the set of wires for the rockford if that amp has a problem its a wireing problem if not chances are its an interal problem on the rockford . Hope this helps !
well if the amp works with the car off and when you start it the fuse blows then you may have alternator issues use a volt meter to check battery voltage is not above 14.5 volts
if the fuse blows when the amp turns on then most likely you have a shorted output section in the amp.
Short inside one of the transistors. This requires very good soldring skills and electrical know-how, and some thermal paste to go between the heat-sink and the transistor. Unfortunatly this is not a cheap repair, probably cost around 100 dollars.
You may not have they proper size wire to the amplifier. Most amps now recommend 4 ga. Also make sure your wiring to the speakers are at the proper Ohm load.
Here are a few amps at Crutchfield.com you can look at. Notice that the closer to a class D you get, the price more than doubles. I have 2 Kenwood 12's that are 800W Rms, and I have a cheap SPL 1500W amp pushing them. 148.5 Db in a 93 Eclipse, so don't worry too much about the class unless you have money to burn. Let me know if this helps :)
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