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

Well THANKS!! That's a good hint.
I'm going to take a look at these units.
The S/PDIF signal isn't suffering from any hum. It's just weak. Does 
anybody know if there are any signal enhancers for this problem?
Maik


--- In xl7@yahoogroups.com, "electrolama" <andylama@c...> wrote:
> Mike,
> 
> I suggest that you avoid permanently lifting any grounds if 
> possible.  That ground prong is always there for a reason.
> 
> Although "your mileage may vary", I successfully removed ALL ground-
> loop hum from my system using EBtech's Hum Eliminators.  If you are 
> not familiar with them, they are essentially a stereo unity gain 
> isolation transformer with quarter inch jacks in a rugged steel 
box.  
> About $60 each at Guitar Center.  They are magical, and don't color 
> the sound at all.  ...but it won't work for SPDIF I/O.
> 
> EBtech also just started offering a smaller and simpler solution, I 
> think they call it the "Hum-X", which looks ostensibly like a 
ground 
> lift adapter, but is actually an isolation transformer for the AC 
> power side of things.  I haven't used these, so I can't testify.
> 
> I guess if you know for a fact that the hum is induced by your 
laptop 
> PS, you might try the Hum-X.  You'll have to look around--they just 
> hit the market, I think.  Expect to pay around $40.  Well worth it 
if 
> it solves your problem!
> 
> Good luck
> 
> Andy
> 
> 
> 
> 
> --- In xl7@yahoogroups.com, "Mike-E" <d_jumpmaster@y...> wrote:
> > 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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