RE: SOM1 relay board switching sound.

["Amar Nagi" <groups@xxxxxxx>]

i think you need to switch the live


      -----Original Message----- 
      From: justin@xxxxxxx [mailto:justin@xxxxxxx]
      Sent: Fri 23/08/2002 13:06 
      To: ukha_d 
      Cc: 
      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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