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Emu XL-7 & MP-7 User's Group

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Re: [xl7] Main outs question

2005-03-18 by cosine... zero

A simple step is to put the instrument on the same exact power that the
mixer is; plug them in to the same power strip. Any differences in
potential between the grounds can cause a ground loop and "buzz" on the
audio lines. Studios that have lots of different surge suppressors
plugged in to different power circuits usually have a lot of noise this
way.

With an amp involved, same sort of problem. They should be as much on
the same power circuit as possible.

cosinezero


--- mike <mikedancy@...> wrote:
> 
> 
> I'm getting a buzz (well, not me personally) from the main outs.  I
> thought I remember 
> reading some posts on this quite a while ago about improving the
> ground for the main 
> outs.  I tried searching the archives and good ol' Yahoo gives me a
> client server out of 
> memory message.  I do remember some problem with the SPDIF out and
> maybe I'm getting 
> the two confused.  Any ideas/suggestions?
> 
> Here's some specifics on the situation-
> 
> I replaced the outlet I'm plugging into and that helped quite a bit-
> noise was unbearable 
> before that.
> 
> With my mixer plugged into the amp (no Emu) there's no buzzing.
> 
> I tried different 1/4" cables and it didn't help. 3' long between
> mixer and Emu, 10' long to 
> amp.
> 
> Thanks!!
> Mike
> 
> 
> 
> 
> 
> 
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