Sutherland Engineering KC Vibe Phono Preamp Review Michael Jude GalvinOctober 23, 2018 As a long-time fan of Ron Sutherland’s superb 20/20 phono preamp ($2200), I was anxious to find out how much Sutherland performance Ron could squeeze out of his most affordable design, the new $895 KC Vibe. Preamplifiers