# GFI System Rossie

> This filter & eq entry consolidates documented GFI System Rossie variants, controls, settings and roles across dated guitarist pedalboards.

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

- **Category:** Filter & EQ
- **Types:** Envelope filter, Filter
- **Also known as:** Rossie
- **Controls:** Level, Range, Sensitivity, Voice
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2022

A compact envelope filter with selectable voices and a wide sensitivity range.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Cory Wong | Brooklyn Bowl touring board | 2022-03-02 | 4 | Source-described | https://pedalboardarchive.com/artists/cory-wong/brooklyn-bowl-touring-board-2022/ |