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

Hmmm, I personally wouldn't lift the ground on anything (though the laptop 
would be my choice over the XL-7).  Have your tried a different power 
strip?

rEalm





Mike-E <d_jumpmaster@...>
02/10/2004 09:14 AM
Please respond to xl7

 
        To:     xl7@yahoogroups.com
        cc: 
        Subject:        [xl7] Re: SPDIF Problems (and analog hum)me too


It is a ground loop indeed. The thing causing it is the power supply 
of my laptop. As I also need this supply, maybe I should "ground 
lift" this device instead of the XL? As a permanent solution?
Maik


--- In xl7@yahoogroups.com, erik_magrini@B... wrote:
> If you're getting a hum in the main audio outs, chances are it's a 
ground 
> loop.  Other culprit could be power cables laying on your audio 
cables 
> (they should always cross at 90 degree angles if they must touch). 
You 
> can test the ground loop problem by using a "ground lift" plug 
adaptor 
> available from pretty much any electronics stores.  IF his fixes 
the 
> problem though, DO NOT continue to use it as a solution.  You could 
> potentially cause a lot of problems with your XX_7 by leaving it 
> ungrounded.  It will at least help you narrow down your trouble 
shooting. 
> Plenty of articles online about resoving ground loops, just do a 
google 
> search.
> 
> rEalm
> 
> 
> 
> do anyone know how to fix this   (humm)
> 
> 2) Connecting analog (main or sub):
> A humming sound is added to the signal. When I close to software 
> mixer of the Audiophile the humming stops, but still leaves a lot 
of 
> noise en crackles. Totally not acceptable.
> 
> Are both problems recognized by anyone? Do the seem to be related?
> 
> I also checked the XL-7 on a simple home stereo. It also produces 
> noise, but it's only noticeable on high volume.
> 
> Regards,
> Maik
> 
> 
> 
> 
> 
> 
> 
> 
> 
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