Imo the idea that silver vs copper would have any effect on low frequencies or high frequencies is absolute nonsense.
Gold vs silver audio cables.
I haven t found a cable or connector using gold that didn t sound a little too dark for my taste.
I m using balanced cables with silver coated pins on the xlr connectors as interconnect for my audio gear.
But the same cable with copper ends took the edge away and gave some depth.
So silver has a long history in audio and not all of it can be dismissed as woolly headed nonsense though there is plenty of that too.
Dh labs was one of the first to experiment with silver conductors.
Silver salesman latched on to this precious metal as a marketing opportunity to sell a web branded performance vapor cable to audio and video enthusiasts.
Silver is good but it needs to be there.
Silver cable with silver connectors can be a very vivid presentation to say the least.
A quarter century later we continue to do it best by virtue of sourcing virtually all materials in the usa combined with cutting edge engineering and impeccable quality control.
But gold is easier to deal with and while lower conductivity quite good enough for most purposes and overall better for domestic equipment.
And note that i have.
If you are considering silver cable find out how much silver is in the cable.
Of course all of this is in reference to unbalanced rca cables.
Too much for me.