Used Universal Audio Ruby Top Boost Amplifier '63 Guitar Preamp

Used Universal Audio Ruby Top Boost Amplifier ’63 Guitar Preamp in Excellent condition, delivering authentic Vox-style chime and punch in a compact stompbox. Built with UA’s UAFX dual-engine processing, it features Normal, Brilliant, and Vibrato channels, classic Top Boost EQ (Bass/Treble), Gain and Volume controls, and room ambience. Stereo outputs support amps, mixers, or interfaces, with 24-bit/48 kHz conversion and true/buffered bypass options for seamless integration on any pedalboard.