Question about Rockford Fosgate Punch P5002 Car Audio Amplifier
Ive read many solutions and im not sure exactly whats wrong with mine. ive tried my amp bridged to 2 12" alpine E series 250 watters. they can carry a 4 ohm load. it was overheating so i switched it off of bridged to dual independent. so i think its carrying an 8 ohm load now but not sure. still a problem. when my car sits off with a 850 ccw battery it barely pushes, and while running it can go substantually louder but still cuts out frequently. especially at stop lights. and the overheat light has gone off but rarely. maybe a power problem instead? will a capacitor help? if not how can i wire it differently to lower my ohm load?
its set in a box with 2 speakers running directly to the amp to 4 seperate connections. single voice coil. do i need dual voice coil speakers? or maybe a liquid cooling system haha :P
Cooling fans are your friend. You can power them with the remote and ground terminals on amp.
.A thumbs up would be greatly appreciated if this answer is helpful to you.
Posted on Dec 18, 2014
If you have that amp inside a box with no airflow for cooling, it will overheat and cut out no matter how you connect it, or what the impedance load you are running. Higher impedance equals less power, less heat. Lower impedance equals more power, more heat.
The amp is only stable to 4ohms in bridged mode, so the 2 SWE-1242 Type E's connected in parallel would be a 2ohm load. Wiring each sub to a separate channel presents a 4ohm load, which is OK.
After getting some airflow to the amp, the next thing I'd consider is a "big three upgrade". It's less expensive than a capacitor, and probably much more effective. And all you need is about 10-12 feet of 2 gauge wire, 6 ring terminals, some tools, and about 1 hour with a cool engine. If the amp still cuts out after cooling it down and getting more current to it with the big three, then consider installing a cap.
Posted on May 11, 2009
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Posted on Jan 02, 2017
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Check the signal from your RCA'S Your head unit may not be putting any output out of the rca jacks on the rear. Or you could have a bad set out. As long as your voltages are right on your positive terminal and remote and you have signal the only other reason your amp will not have any output is if the internals are bad.
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