Used Universal Audio RUBY TOP BOOST Guitar Preamp

Unlock classic British tone with this used Universal Audio RUBY Top Boost Guitar Preamp, in good condition and fully functional. Featuring authentic EL84 tube emulation, cabinet and mic modeling, and seamless integration with UAFX systems, the RUBY delivers rich, harmonically complex tones inspired by the legendary AC30. Perfect for live rigs or studio setups, this compact pedal adds vintage character with modern control for players who crave the iconic chime and drive of classic rock heritage.