Fender Bassman 59 1 preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Bassman 59 is an original 5F6-A circuit Bassman from 1959 — one of the most historically significant amplifier designs ever made. Its four 6L6 tubes, open-back 4×10 cabinet, and carefully voiced tone controls inspired the Marshall JTM45 and influenced virtually every British amp that followed.

• Years produced: 1959
• Made in: USA
• Wattage: 45W
• Channels: 2
• Preamp tubes: 3× 12AX7
• Power tubes: 4× 6L6

Known for: Buddy Holly.

Tags: american, tweed, vintage, breakup, influential.

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.