bossarea-boss-rt-20-rotary-ensemble-rotary-sound-processorBoss RT-20 Rotary Sound Processor

bosscorp.co.jp 2005:
The New Standard in Rotary Speaker Simulation

From the Beatles to Jeff Beck, Santana to Stevie Ray, many guitar greats have embraced the rotary-speaker sound on stage and in the studio. Today BOSS proudly announces the newest member of its Twin Pedal series: the RT-20 Rotary Sound Processor. Employing COSM modeling technology, the RT-20 authentically reproduces classic rotary-speaker sounds. It offers adjustable Rise Time, Horn and Bass speed, Overdrive, and more. And not just for classic twirl, the RT-20 can be used to create unique overdrive and pulsating effects as well. This pedal sounds amazing, and offers a stunning graphical view of the virtual rotors on its built-in display.

  • Authentic rotary speaker sounds by COSM technology
  • Slow/Fast transition time is adjustable from gradual to rapid change; optional Expression pedal can control speed in real time
  • Onboard Overdrive effects
  • Adjustable mix balance between Treble Rotor and Bass Rotor
  • 4 types of sounds, from standard rotary speaker effects to rock-oriented tones, UNI-V, and more
  • Guitar/Keyboard switch
  • Dazzling virtual-rotor display


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