Used Universal Audio Ruby ’63 Top Boost Amplifier Effect Pedal

Used Universal Audio Ruby ’63 Top Boost Amplifier Pedal in good condition, offering authentic emulation of the classic British tube amp sound. Features built-in speaker cabinet emulations, room mic modeling, and premium analog components for studio-grade tone. Includes controls for volume, gain, treble, bass, boost, and room. Ideal for vintage rock and jangle lovers, the Ruby ’63 delivers rich harmonics and dynamic response in a compact, pedalboard-friendly design. Perfect for stage or studio use.