Re: SOM1 relay board switching sound.

["Frank Mc Alinden" <armagh@xxxxxxx>]

Hi Justin
            Have you
joined the  w/o + w/g together and then switched the
ground , if so the  speakers are in series ........You need to switch
both
legs of both speakers seperately..........

HTH

Frank Mc
----- Original Message -----
From: <justin@xxxxxxx>
To: "ukha_d" <ukha_d@xxxxxxx>
Sent: Friday, August 23, 2002 10:06 PM
Subject: [ukha_d] SOM1 relay board switching sound.


> I recently purchased a SOM1 relay board
> (http://www.phaedrusltd.co.uk/system/index.html)
> I am running 2 sets of speakers connected to a soundcard over CAT5
and
thought
> I would try switching using the relay board (that's not why I bought
it
though)
>
> The wiring uses 4 cores, orange = left, green = right, w/o & w/g
=
ground*.
> When I switch the ground it just goes a bit quieter? Any ideas why
this
> happens? I thought it would just switch the sound off!
>
> Cheers,
> Justin.
>
> * I think it probably isn't a great idea to use 2 cores for ground
& 1
each for
> left/right, but don't know why! I was thinking about shielding.
>
>
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