Fender Twin Reverb (Silverface, 135W) - Vibrato preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

This is the late silverface Twin Reverb rated at 135 watts from four 6L6GC tubes. Both Normal and Vibrato channels have bass, middle, treble and volume, with spring reverb, vibrato and a master volume with a push-pull boost.

• Years produced: 1977–1982
• Made in: USA
• Wattage: 135W
• Channels: 2
• Preamp tubes: 4× 7025, 2× 12AT7
• Power tubes: 4× 6L6GC

Tags: american, vintage, silverface, clean, reverb, vibrato, high-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.