Hum, pops, hisses, etc.

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Hi:
I've spent over an hour searching for an answer, but since I don't know what question I should ask, I've not been successful. I'm setting up a small stereo with my Macbook Pro as the front end: MBP into EICO 20wpc integrated through AUX input to PSB Alpha B1 speaks. MBP is quiet when listening to internal speakers; amp, in the past has been dead quiet with no hum. Now I'm getting voracious 60 cycle hum that is attenuated by the amp volume control; every time a switched appliance [including the amp] turns on or off I get a horrendous pop that gives the speakers St. Vitus' Dance.

This is probably a common and easily fixed problem, but Hey! ignorance is bliss!

GP

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Topic - Hum, pops, hisses, etc. - Gary7m 12:33:10 05/26/09 (2)

RE: Hum, pops, hisses, etc. - Uncle Mike 08:13:56 05/27/09 (0)

RE: Hum, pops, hisses, etc. - kenster 16:02:42 05/26/09 (0)

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