Used Universal Audio RUBY TOP BOOST Guitar Preamp

Used Universal Audio RUBY '63 Top Boost Guitar Preamp in good condition. This premium amp emulator captures the iconic British chime of a vintage Vox AC30, with tube-like dynamics and studio-quality tone. Features UAFX dual-engine processing, stereo operation, and buffered bypass. Powered by Universal Audio’s renowned modeling technology, the RUBY offers authentic response and rich harmonic detail, perfect for players seeking classic rock, pop, or jangle tones in a compact, road-ready pedal format.