# GFI System Duophony

> This routing & control entry consolidates documented GFI System Duophony variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/gfi-system-duophony/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Routing & Control
- **Types:** Parallel Blender, Switcher
- **Controls:** Blend A, Blend B, Footswitches, Routing
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2024

GFI System Duophony as documented in this dated rig.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Rhett Shull | Mastermind experimental board | 2024-07-01 | 13 | Reconstructed | https://pedalboardarchive.com/artists/rhett-shull/mastermind-board-2024/ |