BOSS - RT-20 | Rotary Ensemble used guitar and a deluxe

and a deluxe

and then tested for straightness before being matched and paired

The BOSS TU-3 is the world’s go-to stompbox tuner

Wide tonal variety

BOSS - RT-20 | Rotary Ensemble used guitar and a deluxeOverview From the Beatles to Jeff Beck, Santana to Stevie Ray, many guitar greats have incorporated the rotary speaker into their rigs. With this in mind BOSS proudly presents 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