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Old 06-14-2008, 06:34 PM   #1 (permalink)
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JMP - PinkNoise sound

My JMP after warming up gives off a low pink noise type sound. It stays at the same volume even after changing volume or gain. Some times it rumbles a bit more but really never increases in volume.

PowerTubes?
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Old 06-14-2008, 08:58 PM   #2 (permalink)
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Re: JMP - PinkNoise sound

could be

tap on them when its on and see if they are microphnic
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