I wouldn't worry one iota for the R, L, C values for a length of about 3-4
metres handling 100W into 4-8 Ohms. Solid copper wires are a Luxury.
If sticking to running Twin and Earth cable, there would be a wasted
"centre" conductor which IMO is best paralleled with the "neutral" core at
both ends, and done for each channel! So each used pair's very low loop
resistance would then drop by a further 25%. Maximum current handling is
dictated by size of remaining "solo" core. And 2.5mm wires can handle 16Amps
continuous AC easily!

"Jim Lesurf" wrote in message
...
In article , Dave Plowman (News)
wrote:
In article .com,
wrote:
By the way, at the speaker end, I was just going to have flying leads
coming out of the plastered wall. I'm hoping that if I mount the
speaker in front of this it will hide the lead.

TW&E tends to look rather untidy as it isn't flexible. I'd use Maplin
2.5mm speaker flex for the bits that show. Actually, for the whole run.
;-)

I must confess I have been reading this thread wondering what the value of
the series inductance of the proposed cabling might be... :-)

Slainte,

Jim

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