Although you should use this solution at your own risk, I've solved this problem by using a 3-to-2 prong adaptor ... The more expensive solution is some kind of power conditioner, I believe...
~David
On 3/11/07, Martin Eckart imartron@gmail.com wrote:
Hi all,
I've had an annoying hum coming from my edirol FA-101 when I hook it up to PA systems and have finally figured out that it occurs only when my laptop is plugged in and not running on batteries. The FA-101 is also plugged in (boo 4-pin 1394 connections...) and then the amps I run into are also 3-pin plugs and leads me to believe that this is probably a ground loop issue. Can anyone suggest possible solutions? Is there a power bar that isolates grounds?
-martin
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