# Hughes & Kettner Rotosphere

> This modulation entry consolidates documented Hughes & Kettner Rotosphere variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/hughes-and-kettner-rotosphere/
- 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:** Rotosphere, Tube rotary simulator
- **Controls:** Breaker, Drive, Rotor balance, Slow/Fast
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2023

A large silver-and-blue tube-driven floor unit with a perforated window and two footswitches.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Warren Haynes | Gov't Mule Ryman rack and floor rig | 2023-06-14 | 8 | Reconstructed | https://pedalboardarchive.com/artists/warren-haynes/govt-mule-ryman-rig-2023/ |