Supro 1950-32230 preset

Verified · 89/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Supro 1950-32230 is a bare-bones AC/DC-style student amp: a single 12SJ7 pentode preamp drives one 50L6 beam tetrode into a 5-inch speaker, with a selenium rectifier and no tone controls.

• Made in: USA
• Wattage: 3W
• Channels: 1
• Preamp tubes: 1× 12SJ7
• Power tubes: 1× 50L6

Tags: american, vintage, low-wattage, practice.

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.