UAFX Ruby 63 Top Boost Amp Pedal

The Ruby ’63 Top Boost Amplifier delivers the iconic sound of a classic British tube amp in a compact stompbox format. Built on Universal Audio’s advanced UAFX processing, it captures the legendary clean, crunch, and chime that defined the Top Boost tone of the early 1960s.

With three distinct channels — Normal, Brilliant, and Vibrato — Ruby ’63 lets you shape your tone for everything from sparkling cleans to rich overdrive. Authentic speaker, cab, and mic emulations ensure your sound translates whether you’re recording direct, playing through monitors, or performing live.

Ruby ’63 also includes the iconic Top Boost preamp and classic vibrato effect, giving players access to the legendary textures used by countless artists.

Features

• Authentic emulation of the legendary 1963 Top Boost British tube amp

• Powered by dual-engine UAFX processing for realistic feel and response

• Three channels: Normal, Brilliant, Vibrato

• Built-in Top Boost preamp for extra chime and drive

• Classic onboard vibrato effect

• Speaker, cab, and mic emulations for direct recording or live use

• Compact stompbox design with modern reliability