# Seymour Duncan Twin Tube Classic

> This gain entry consolidates documented Seymour Duncan Twin Tube Classic variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/seymour-duncan-twin-tube-classic/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Gain
- **Types:** Dual-channel drive, Preamp, Tube overdrive
- **Also known as:** SFX-03, Twin Tube Classic
- **Controls:** Bypass, Channel, Lead gain, Lead volume, Rhythm gain, Rhythm volume
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2010

A wide black-and-silver two-channel tube preamp with paired rhythm and lead controls and two footswitches.

## 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 |
| --- | --- | --- | --- | --- | --- |
| John McLaughlin | Fourth Dimension touring effects | 2010-01-01 | 1 | Reconstructed | https://pedalboardarchive.com/artists/john-mclaughlin/fourth-dimension-touring-effects-2010/ |