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Hello all, I am new to this site, but I am desperate for an answer. I have 2-P3 12" subs with an old Fosgate amp. My subs for the last 6 months or so have been cutting in and out and it's more annoying than anything. I'll be listening to music and clearly hear deeper bass, then cuts back out. It cuts in every couple minutes for about 10 seconds or so. Today I replaced my amp as I was thinking that was the problem, and worked for a minute and then cut back out. All wiring is firmly attached to the amp and subs along with the receiver itself. The only thing I can think of, is my receiver is going out. If anyone can shed some light as to what might be happening, it would be much appreciated!! Thank you! -Trey
 

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You can try replacing the rca cable from the AVR to your subwoofers. Sometimes they go bad after a few years.
Make sure that you wiggle the rca cable where it is plugged into the AVR. There may be some connection problem.
Some people have had difficulty after moving equipment with the cables still in. If they bump the cable just right,
then the solder attaching the connector inside the AVR can pull loose. This solder problem can also occur inside the subwoofer.
You did the right thing (most obvious) when you replaced the amp. The in-and-out can most often happen when
the power capacitors have deteriorate with heat and age.
 
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