Question about Rockford Fosgate Punch 401S Car Audio Amplifier
After about 15-20 minutes of my amp being on, it cuts out even at low volumes. Is there anything i can do to stop this from happening?
There are only 3 reasons this could happen. First, faulty components in the amplifier.
Second, and far more likely, is that the impedance of the speaker load is lower than the amp is designed for. If you are connecting (for each channel) the speaker + to other speaker + terminals and then to the amp, as well as connecting the speaker - terminals to each other and then to the amp, assuming all speakers have the same impedance, your load impedance is speaker impedance divided by number of speakers. Make sure your amp can handle that load and change it if it can't or you will fry it.
Third is if you connect speaker + to amp + and then speaker and amp - terminals to the car chassis. This is shorting part of your amp and will destroy it. Neither the - or + terminals should contact the chassis.
Posted on Apr 22, 2009
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Posted on Jan 02, 2017
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