Rc-70 are much warmer than b and w
if your looking for spacious , treble, highs, cymbals, they are there, but not as lively as b and w.
I love mine, there is no fatigue what so ever, mine play all day, while I’m home, no “s” fatigue either for me. Brought up my Odyssey upgraded kismet monos, this weekend, with ld-2 preamp and udp-1(switched out) for pioneer elite dv-79avi.
Playing new scorpions, hexx, Satan, pink cream 69, yakuza, Saxon, loudness, and the munetaka higuchi free world II
vinnie Moore;Japan cds. thin Lizzy (Japan box set) sound great
the midrange is perfect for electric guitar and acoustic guitar. Smooth !