Rockford Fosgate bd1500 "pop up" noise - diyAudio
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Old 4th December 2012, 01:37 AM   #1
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Default Rockford Fosgate bd1500 "pop up" noise

Hi, all. I have this oldschool RF bd1500. It has a "pop up" noise every time i turn on the audio. Already try to replace the mono with another mono and no "pop up". So i guess sumtin' wrong with bd1500. Already bring it to local technician but got no luck. Any idea where should i check? Coz, i have several friends having oldschool bd amps and most of them having the same problem.

=Thanx=
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Old 4th December 2012, 01:38 AM   #2
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Are you saying that the speaker pulls in or pushes out when connected to the amp?

Please read the entire basic amp repair page (even the parts that you feel are irrelevant).
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Old 4th December 2012, 01:58 AM   #3
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I can't see it. Cuz, i have a bandpass box so the sub is inside the box.
I try read your article first.

=Thanx=
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Old 4th December 2012, 04:10 AM   #4
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Do you read more than a fraction of a volt of DC across the speaker terminals at the time when it would pop?

Disconnect the speaker wires from the amp when measuring the voltage.
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