# B.K. Butler Tube Driver

> This gain entry consolidates documented B.K. Butler Tube Driver variants, controls, settings and roles across dated guitarist pedalboards.

- Canonical page: https://pedalboardarchive.com/pedals/b-k-butler-tube-driver/
- Machine-readable index of the archive: https://pedalboardarchive.com/llms.txt
- Evidence and reconstruction conventions: https://pedalboardarchive.com/methodology/

- **Category:** Gain
- **Types:** Preamp, Tube overdrive
- **Also known as:** Tube Driver
- **Controls:** EQ high, EQ low, Level, Tube drive
- **Identification:** The model is identified.
- **Documented appearances:** 1 board, 2018

The valve-driven overdrive at the end of Johnson's dedicated Marshall lead branch.

## 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 |
| --- | --- | --- | --- | --- | --- |
| Eric Johnson | Ah Via Musicom four-amp system | 2018-04-04 | 8 | Reconstructed | https://pedalboardarchive.com/artists/eric-johnson/ah-via-musicom-four-amp-rig-2018/ |