Used Universal Audio RUBY 63 Guitar Preamp

Used Universal Audio UAFX Ruby ’63 Top Boost Guitar Preamp in great condition, delivering authentic 1960s British amp tones with rich chime, punchy mids, and dynamic touch response. Features UA’s powerful amp modeling, built-in speaker/cab simulation for direct recording, and classic boosts for edge-of-breakup to singing drive. Compact, road-ready pedal format with stereo outputs, standard 1/4" I/O, and 9V DC power. Ideal for stage, studio, or silent practice.