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

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Message

Humming noise in headphone output?

2002-10-26 by ->Nobody<-

Hey.
Ever since I opened my shiny new XL-7 to put the Phatt ROM (couldn't
choose between the soundsets and I like yellow better :), I have this
humming noise out of the headphone jack, that seems to vary depending on
the Pattern/Preset the unit is on, even when phone level is at mini.
I thought it was the gooseneck lamp, took it off, but nope, it still
there. I've tried to open the case again today, fiddled with the flat
cable that comes from the mainboard to the little board that holds power
button and phone output and it did not help that much, though 
the noise is noticably lower now. All that on different power sockets.

I'm not really sure it wasn't there the first day I plugged the unit. 
Is that noise normal or what? Grounding problems? Or does the XX-7 has
problems with high impedance headphones (300ohms Sennheiser HD-600)?

Thanks for any input.
-- 
Sebastien,
-=-=-=-=-=
B.Gates : quality software :: R.McDonald : gourmet cuisine
 
mailto:poumtschak@... -=- ICQ# 6030405
http://poumtschak.free.fr/ (a few Mp3 in bulk...)
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