Fender Twin Reverb (Silverface, 100W Master Volume) - Normal preset

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

This is the 100-watt silverface Twin Reverb with a master volume but without the later push-pull master boost. Its two channels each have treble, bass and middle, and four 6L6GC tubes drive the classic big, clean Twin sound with spring reverb and vibrato.

• Years produced: 1972–1976
• Made in: USA
• Wattage: 100W
• Channels: 2
• Preamp tubes: 3× 7025, 1× 12AX7, 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.