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Article #1161

Re: Sound Problems

#1161
From: Paul Durrant
Date: Sun, 03 May 1998 00:00
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In article <1d8fgzi.1px4z941xgfh78N@baw9pub39.bluewin.ch>,
bridgeband@bluewin.ch (Bridge) wrote:

> Thank you for your advice, but it seems slightly radical to go cutting
> away at cables. Anyway, I've been able to confirm that it is an
> earth-loop, 'cos when I have the HiFi plugged to my G3 and then I unplug
> the monitor and computer the hum disappears. I felt awfully tempted to
> cutting the earth wire. I've now got a solution, wich isn't really one
> because the hum is still there: I turned the sound in the controlpanels
> to maximum and turned down the volume on my hifi.
> I'm still wondering whether a coaxial-cinch cable would help.
> Any suggestions?

A co-axial cable wouldn't help a lot. The interference is coming from the
earth-loop in the shielding anyway - changing the shielding to around each
wire rather than around both wouldn't make a lot of difference.

You got an answer to your problem. If you really hate the idea of cutting a
cable, why not add a cable (socket<->plug) with a break in the shielding.
Not too hard to make up, and if it doesn't solve the hum you haven't
mangled your original cables.

Paul Durrant
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From: pdurrant@durrant.demon.co.uk (Paul Durrant)
Subject: Re: Sound Problems
Date: 1998/05/03
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