McIntosh SS Owners Question

I have a McIntosh MC206 amp. When I turn it on I hear a very low hum. With any volumne at all you cannot hear the hum. Should this amp when turned on by itself be 100% quiet?

vernneal05-25-2010 9:19am

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vernneal OP Details Discussions Posts This discussion Message User 438 posts 05-25-2010 at 08:09pm Copy Comment URL Report Comment Edit Delete I unplug my Power Conditioner and plugged it into a different outlet. Hum gone.
aldog Details Discussions Posts This discussion Message User 17 posts 05-25-2010 at 09:55pm Copy Comment URL Report Comment Edit Delete Was the hum coming from the speakers or the amp itself? If the former, you probably have a ground loop issue. Lots of discussion here on AG if you enter "ground loop" in the search field.
theo Details Discussions Posts This discussion Message User 2,331 posts 05-26-2010 at 02:06am Copy Comment URL Report Comment Edit Delete That reminds me I used a PS Audio PC with the ground plug removed. Sorry I had forgotten to mention that, old age memory lapse.
vernneal OP Details Discussions Posts This discussion Message User 438 posts 05-26-2010 at 12:54pm Copy Comment URL Report Comment Edit Delete from the amp
theo Details Discussions Posts This discussion Message User 2,331 posts 05-26-2010 at 04:00pm Copy Comment URL Report Comment Edit Delete Yes amp to power conditioner I was minus the ground plug.

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