# Boss BF-1 Flanger

> This modulation entry consolidates documented Boss BF-1 Flanger variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/boss-bf-1-flanger/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Modulation
- **Types:** Analog modulation, Flanger
- **Also known as:** BF-1, Blue Boss flanger
- **Controls:** Depth, Manual, Rate, Resonance
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2009

An early blue compact cast-metal flanger with four black controls and a broad treadle-style switch.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Neil Young | Red board and vintage effects rig | 2009-01-01 | 4 | Reconstructed | https://pedalboardarchive.com/artists/neil-young/electric-tour-red-board-2009/ |