I have been through the speaker wire journey and settled on DNM Stereo Precision speaker cables. DNM has used solid core copper in their designs since the beginning about 25+ years. If your amp uses feedback look into the HFTN add on and I'm pretty sure you will be very happy.
Do a searh they are worth looking into.
Good luck,
R
Do a searh they are worth looking into.
Good luck,
R