Buzzing Noise from Warfedale Powercube 12A - AVS Forum
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post #1 of 2 Old 02-07-2010, 06:52 PM - Thread Starter
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I've had a Warfedale Powercube 12A for about 8 or 9 years. Its worked fine until a few months ago I woke up to the sound of a loud buzzing noise comming from the Sub. Its not feedback like you would hear from a bad ground, its sounds different and is much louder. I've been using a Pioneer VSXD-912 Reciever with this sub and have connected it with the Sub out jack on the Reciever. However I dont think that the noise has anything to do with the Reciever as the noise happens regardless of whether or not the Sub is connected to the Reciever. All I have to do is plug the Sub in and turn it on and it immediately makes the noise.

Any ideas?
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post #2 of 2 Old 02-07-2010, 07:11 PM
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Quote:
Originally Posted by melchionda View Post

I've had a Warfedale Powercube 12A for about 8 or 9 years. Its worked fine until a few months ago I woke up to the sound of a loud buzzing noise comming from the Sub. Its not feedback like you would hear from a bad ground, its sounds different and is much louder. I've been using a Pioneer VSXD-912 Reciever with this sub and have connected it with the Sub out jack on the Reciever. However I dont think that the noise has anything to do with the Reciever as the noise happens regardless of whether or not the Sub is connected to the Reciever. All I have to do is plug the Sub in and turn it on and it immediately makes the noise.

A friend of mine had a similar buzz problem from their little 8" Definitive Technology sub--no connection needed. Replaced the amp driver module ($60 board) and all is well. Was not able to trace which component went south--I couldn't get the schematic.
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