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infinity amp making noises

Old 04-10-2008, 09:39 PM
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Unhappy infinity amp making noises

ok so a while back i posted that my infinity 7541a 4 channel amp was cutting out and making poping noises well the other day i decided to hook it back up after a coupple months of no use and to my surprise the amp worked and played music as normal. i have no idea what could have caused the problem but now when i power up my system i can hear my 4 channel amp powering up through the speakers. im not sure exactly how to explain the sound almost like a hum but then it goes away after about a second. iv checked my grounds and power connections, any other suggestions?
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Old 04-10-2008, 09:51 PM
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try redoing the ground
i would try a bench test with it
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