# Boss RT-20 Rotary Ensemble

> This modulation entry consolidates documented Boss RT-20 Rotary Ensemble variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/boss-rt-20-rotary-ensemble/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Modulation
- **Types:** Modulation, Rotary speaker
- **Also known as:** Rotary sound processor, RT-20
- **Controls:** Balance, Fast speed, Mode, Overdrive, Rise time, Slow speed
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2007

A twin-footswitch rotary-speaker processor with speed, balance, drive and rise-time controls.

## Documented boards

Each row is an observed appearance on a dated board. A position is only an observed one where that board's order evidence says so.

| Artist | Board | Date | Positions | Order evidence | Page |
| --- | --- | --- | --- | --- | --- |
| Bruce Springsteen | Magic tour remote and offstage rig | 2007-10-01 | 4 | Reconstructed | https://pedalboardarchive.com/artists/bruce-springsteen/magic-tour-remote-and-offstage-rig-2007/ |