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Problem for Rockford Fosgate Punch 401S Car Audio Amplifier
I have 2 punch amps
By richiefoster on Oct 05, 2009
I have 2 punch amps in my classic car Iwould like to know should I have a red light lite on amp? Ihave power on amp no sound I also have EQ BEFORE AMPS could that be the problem .car has been sitting in storage for about 5 years dont have any info on amps or eq system bought with car in 90s
Solution #1
posted on Oct 05, 2009
The red indicator indicates that the amp is inoperable, check the power to the amp and make sure it is at least 12 volts, check the ground connections for excessive resistance, no more than 3 ohms, disconnect the speaker from the amplifier and see if the red light goes out, if so check speaker wiring for shorts to ground, if the red light comes on only when the speaker is connected and the wiring checks out then the voice coil of the speaker may be shorted, if all the tests above prove ok then the Amp is defective and as a shorted output circuit, contact this web link for more help getting the amp fixed or replaced
http://www.crutchfield.com/App/Support/ProductSupport.aspx
http://www.crutchfield.com/App/Support/ProductSupport.aspx
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