Guild Thunderbird Superstar - Tremolo-Reverb preset

Close · 68/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Guild Thunderbird Superstar was a high-powered American tube head produced during Guild's amplifier years, offering a versatile clean-to-crunch tone palette. Guild amplifiers of this era were quality instruments that competed with Fender and other major American brands.

• Years produced: 1973–1979
• Made in: USA
• Wattage: 100W
• Channels: 2
• Preamp tubes: 3× 12AX7
• Power tubes: 4× 6L6

Tags: american, vintage, clean, crunch.

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.