# Maestro Ring Modulator

> This modulation entry consolidates documented Maestro Ring Modulator variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/maestro-ring-modulator/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Modulation
- **Types:** Frequency shifter, Frequency shifting, Ring modulation, Ring modulator
- **Also known as:** Cheap Sunglasses ring modulator, Maestro RM-1 Ring Modulator, Ring Mod, Vintage Maestro Ring Modulator
- **Controls:** Bypass, Mix, Oscillator frequency, Range
- **Identification:** The model is identified.
- **Documented appearances:** 2 boards, 1979–2022

A large black vintage control box with twin oscillator sections, silver knobs and foot-controlled bypass.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Billy Gibbons | Cheap Sunglasses studio effects | 1979-01-01 | 2 | Reconstructed | https://pedalboardarchive.com/artists/billy-gibbons/cheap-sunglasses-studio-effects-1979/ |
| Jeff Beck | Final tour career-spanning board | 2022-01-01 | 5 | Reconstructed | https://pedalboardarchive.com/artists/jeff-beck/final-tour-career-spanning-board-2022/ |