# RMC4 Picture Wah

> This filter & eq entry consolidates documented RMC4 Picture Wah variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/rmc4-picture-wah/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Filter & EQ
- **Types:** Filter, Wah
- **Also known as:** Custom RMC4 wah, Picture Wah
- **Controls:** Bypass switch, Treadle
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2014

The black treadle wah with a bright illustrated top plate used as Santana's principal hands-on stage effect.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Carlos Santana | Minimal split-amplifier board | 2014-04-23 | 2 | Source-described | https://pedalboardarchive.com/artists/carlos-santana/ryman-touring-rig-2014/ |