Ive never tried it despite being curious about it. I remember reading some posts saying exactly what the source cable was but I'm afraid I've long since forgotten. At £25 you can't really go wrong unless your amp has specific needs in terms of capacitance/inductance.

Give 'em a go Chris.
Tell us what you think of them.
I spent years farting about with expensive cables, thinking they were doing all sorts of wonderful hifi miracles. Then, I spent more years making my own out of 'exotic' bits and pieces, thinking they were finally what I was looking for.
Then I came to the realisation that good sensible wire is what is required, because with most systems you can make a more significant change by moving your speakers an inch or two, or cleaning your discs properly, or just by having a nice glass of wine.  Cables are the last thing.  They are not the icing on the cake, they are just the packaging that goes on the icing on the cake.
If you're going to spend a lot on cables, then at least get the fundamentals sorted first.

I believe that it's enamelled copper wire which is available at Maplins . One of these should do the trick .

www.maplin.co.uk/p/enamelled-copper-wire-09mm-20swg-yn82d

www.maplin.co.uk/p/enamelled-copper-wire-16mm-16swg-yn80b

Or take your pick here : www.wires.co.uk/acatalog/cu_bare.html

Does Yannis do speaker wire now Mike?

It's enammelled copper wire (aka transformer winding wire). It's fine. I used 1.6mm and 1.2mm thicknesses in a bi-amped set up. Only 'problem' is that it's stiff and springy so you need to route it carefully and not move speakers and amps about.

I find like most things in life you get what you pay for. I find there are very noticeable differences between different cables and plugs -some folks don't and will cause a fight in an empty house defending they're position.

Buy them and let us know how you get on.

Brian of this parish has let me hear numerous cables he has made with different wiring configurations/plugs/plug metals-everyone of them sounds different but we all crave a different flavour of distortion....one mans meat is another mans poison!

Its a bit like cooking....give half a dozen folk the remit to make a meatballs dinner and you get half a dozen different dinners in front of you-all different but appealing to different tastes.

Hi Chris , I think Anti Cables uses them with just the enamel coating on them and scrapes off the coating at each end to make a connection . I share your concerns and as I'm about to build some myself using either the enamelled wire from Maplins ( which I have already bought ) or the Copper wire from wires.co.uk ( which I have ordered )
I have also ordered 10m of 2mm heatshrink from Ebay at a cost of £4.60 to cover over the wires and provide extra insulation  . IMO it would be a shame to wreck an expensive amp or speakers for the sake of saving a couple of quid. The heatshrink I have ordered is clear BTW , so may be a talking point ( or not ) .

Everything is worth a try Chris , especially if it doesn't burst the bank . Please keep us posted on your findings .

Well chaps , curiosity got the better of me and I made up a 2m set of speaker cables using the Maplins enamelled copper wire . I've lost the label and can't remember if this is 1mm or 1.6mm wire so I'll look into this if anyone is interested .
To put things into context , I'm using this wire between my Sony TA F770ES amp and my Monitor Audio R852 speakers so YMMV when using this , hovever at around £9 for 12m of this stuff it has got to be worth a try .
Previous speaker cables include TQ Black - Talk3 - Belden Coax ( which sounds excellent in my present system )
I left my system running on low volume last night and I've been listening now ( again at neighbour friendly volumes ) for the last few hours . Initial impressions are very good indeed . The sound of my system is very clean  ,in fact even cleaner then with the Beldens IMO . I'm finding that well known tracks now make more sense , so singers voices must more audible . Bass is also cleaner and slightly more tuneful although not as deep as the much thicker Belden cable . I'm thoroughly enjoying the music though and don't feel that there's anything lacking compared to the Belden coax .
I will leave my system running for the next 24 hours or so and come back to this . Following that I may , or may not , add another run of this wire per speaker and see what happens . At the moment I don't really feel the ' urge ' to do this which tells me that something must be working to my liking .
Couple of caveats here . Firstly , this stuff is quite ' springy ' so watch your eyes . Secondly , I'm awaiting the arrival of some appropriate heatshrink to further insulate this wire as I think the enamel covering will eventually wear away if it's disturbed too often , so better be safe than sorry . It would be a shame to destroy a cherished amp or speakers for the sake of a fiver for some heatshrink from Ebay .
All in all then a very nice speaker cable for under £15 plus the price if plugs ( or hardwired if you prefer so even cheaper )
As most of us know , not all cables work well in all systems , however it's worth experimenting at these sort of prices .

EDIT : following a visit to Maplins today I can confirm that I'm using the 1.6mm wire .
www.maplin.co.uk/p/enamelled-copper-wire-16mm-16swg-yn80b