What tubes does the Fender Bassman 5B6 - Instruments use?

The Fender Bassman 5B6 - Instruments uses 2× 12AY7 preamp tubes and 2× 6L6 power tubes.

When was the Fender Bassman 5B6 - Instruments produced?

The Fender Bassman 5B6 - Instruments was produced 1952–1953.

Fender Bassman 5B6 - Instruments preset

Verified · 83/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Bassman 5B6 is an early tweed-era design in the wide-panel cabinet, with a single 15-inch Jensen speaker and a simple two-channel layout targeting bass instruments and microphones. Though designed for bass, its warm tone and natural compression when pushed made it an early platform for blues guitar as well.

Years produced: 1952–1953
Made in: USA
Wattage: 26W
Channels: 2
Preamp tubes: 2× 12AY7
Power tubes: 2× 6L6

Tags: american, tweed, vintage, clean.

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.