DDTS-100 - Very Loud Sub Hum

Hey.
I recently bought a DDTS-100 from ebay, however, I didn't realise that it came from America (Im assuming) and the power adapter has a US to Uk Plug adapter.
I'm pretty sure in thinking that the adapter is causing a major hum, and I was wondering whether there are any solutions to this, or whether it is possible to buy a UK plug adapter? The hum is very, very loud, and its pretty impossible to use it as the hum is completly in the way!
Any help would be much appreciated
Cheers,
Alex

I just did the same thing except mine is from the UK and I live in the US! How funny. I need a native power supply because adapters aren't good for continuous use. If you wanna switch lets do it. Send me a private message. Later.

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    I finnaly found out my problem
    The buzz came out from my coax cable from my DVD. My DVD player was probably inducing 60Hz on the coax output.
    I switched to the optical output and no more buzz.
    I'll need to buy a new toslink cable to plug my x-box on the optical input #2
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    Very helpful forum this is. Two posts and not even one helpful reply.
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