hummer

so i hear that using one of these can help kill the hum when using a laptop for performing and playing music. i'm a mac guy, and apples don't have the problem, but i've heard about PC laptops having a constant buzz/hum whenever using the AC adapter, but not with the battery. does this work? supposedly it has something to do with ground loops, and using these things lifts the ground to the laptop.

this post is for mac, who has been without his laptop/instrument for many many weeks now, which has had this problem in the past, but should finally be back on saturday. and thanks les for the heads up on this .nfo.

if you know anything about this matter, please post a comment so we can help all the laptop artists out there. -micL