Supro Super S6606 preset

Verified · 91/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Supro Super S6606 is a minimalist Valco practice amp with an 8-inch speaker: one 12AX7 with volume and tone feeding a single 6V6 in single-ended class A, with a 5Y3 rectifier, for about 4 watts.

• Made in: USA
• Wattage: 4W
• Channels: 1
• Preamp tubes: 1× 12AX7
• Power tubes: 1× 6V6

Tags: american, vintage, 6v6, class-a, 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.