Supro Spectator preset

Verified · 87/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Supro Spectator (Valco schematic 510-11) is a small single-ended amp with Instrument and Mic inputs, volume and treble controls: a 6SL7 preamp into one 6V6GT in class A, a 5Y3GT rectifier and a field-coil speaker.

• Made in: USA
• Wattage: 5W
• Channels: 1
• Preamp tubes: 1× 6SL7
• Power tubes: 1× 6V6GT

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

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.