"William Sommerwerck" wrote in message ...

http://www.switchcraft.com/Drawings/14b_cd.pdf

That sort of stereo jack cannot perform speaker switching
on a hi-fi amplifier.

Sure it can. It's just not a good idea. You don't want to run the amp's
output
through such a "cheap 'n dirty" "switch".


You need ones that have a pair of independent contacts.

???


Presumably to switch a remote relay.



Gareth.