Silver plated copper

I have built many cables which have employed copper, solid silver and silver plated copper.

For my ears...

• Stranded Copper was the least dynamic of the three
  
• Solid Silver provided the best  dynamic performance and provided more details than the plain copper
  
• Stranded Silver plated copper seemed to be as good as the solid silver but also provided a fuller/warmer, more complete sound.
  

All wires were 24 guage with teflon insulation and cryo treated

I did also try Tinned copper cryo treated  (NOT Duelund wire) as the neutral for speaker cables and compared to similar gauge Silver plated and copper wire it sounded less dynamic and detailed.

It's very much a personal preference when it comes to building cables, so I would recommend trying some different wires to see which materials suits you ears best

Regards - Steve