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Re: KAC-7202 Major feedback after a few minutes of...
You might try unplugging the wires from the sub, turn it back on with the wires disconnected- if the noise comes back the amp is probably bad - if the noise doesn'tcome back -turn your head unit off and reconnect the sub- if the noise comes then your sub's voice coil could be shorted- if the noise comes back you should try a different speaker to compare- if the noise still there with the test speaker your problem is definately the amp.
If these suggestions don't help please e-mail me at Merle840@aol.com i will be glad to help. Please give me a good rating if i have been able to help you M. MERLE
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ALL THAT IS A WASTE OF TIME AND YOU MAY HAVE CAUSE MORE DAMAGE TO THE AMP,THOSE AMP WILL FLASH WHEN THERE IS NOT ENOUGH POWER SOURCE EITHER GROUND,OR LOW VOLTAGE REMOTE OR TWELVE VOLT SOURCE CHECK ALL THOSE AND MAKE SURE YOUR HAVE RIGHT SIZE SPEAKERS THAT CAN HANDLE THE LOAD FROM AMP
Check the zener diodes over by the fuses, where the 2 chokes or load coils are. TThere are 3 or 4 Of the diodes, they are zener diodes. I had the same problem and found it to be one bad zener diode. Check my solution out on the 7202, same thing.