My opinion....
I'm not sure I like silver wire anywhere in a good stereo. To my ear, pure copper seems better. Good copper interconnects seem to reveal more detail without emphasis on any band in the audio spectrum. Silver seems to add more brightness. Not sure I've ever seen amy measurement, just my personal observation. Not sure if it is related to the insulators in the silver cables I've heard.
I'm using Herron Audio pure copper interconnects throughout my system from the turntable and DAC all the way out to the four mono amps. Excellent performers. I think they cost ~$250 a meter pair, but less per meter for longer lengths.
I have not heard top-of-the-line silver interconnects in my system, so this is just observations in other systems and using lower-end silver cables in my system.
Just my opinion.