Laurence Payne wrote:
On Mon, 29 Oct 2007 08:36:41 +0000, Rob
wrote:

Just out of curiosity, why has it always been the case that four wires
run to speakers, when three would do (link the ground on a stereo pair)?

As on the face of it this is such a stupid question, perhaps he's
talking about bi-amping or bi-wiring?

Nope, no bi-anything - that'd be eight cables. As you face it, it
remains stupid.