Used Universal Audio RUBY TOP BOOST AMPLIFIER 63 Effect Pedal

Used Universal Audio RUBY Top Boost Amplifier ’63 effect pedal in great condition, delivering authentic Vox-style chime, punchy mids, and smooth breakup with UA’s premium amp modeling. Features 3 amp modes, built-in boost, room ambience, and classic tremolo for vintage-inspired movement. Stereo outputs plus USB-C for updates, and runs on standard 9V DC power (center-negative). Perfect for direct recording, live rigs, or adding iconic British tones to any pedalboard.