Itâ€™s not just Hammond organs that utilise the sound of a rotary speaker â€“ many guitarists have also used the sound, both on stage and in the studio. With this in mind, BOSS have announced the newest member of its Twin-Pedal family: the RT-20 Rotary Sound Processor.
Employing Rolandâ€™s COSM modeling technology, the RT-20 is designed to authentically reproduce classic rotary-speaker sounds, and beyond including not just that classic twirl but unique overdrive and pulsating effects as well. COSM is used to simulate classic rotary characteristics, allowing the virtual horn and bass speaker to be independently adjusted and as well as Horn and Bass speed, you also get adjustable Rise Time and Overdrive.
Guitars and keyboards alike can be plugged into the RT-20 - a Drive Type switch is used to optimize the effects for guitar or keyboard. Dual outputs enable true stereo effects and by adding an Expression pedal, such as the new BOSS FV-500H/-500, you can control parameters such as rotation speed seamlessly from slow to fast in real time. The RT-20â€™s phone jack is handy for private practice and experimentation.
Thanks to its visual display, the RT-20 might be the most eye-catching pedal in BOSS history. The spinning lights donâ€™t just look cool, they also show the audio-rotation characteristics of the RT-20 in real time. The center of the display, illuminated in red light, represents the virtual bass speaker. The outside ring, illuminated in blue, displays the rotation of the virtual horn - attractive and informative at the same time