Fender Twin-Amp 6G8 - Vibrato preset
Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.
The Twin 6G8 is a brownface-era Twin delivering 85 watts through four 6L6 output tubes and two 12-inch speakers. A transitional model before the blackface era, it features the brown Tolex cosmetics and 6G-series circuit of the brownface period, with slightly warmer, less scooped tone than the later blackface Twin.
- Years produced: 1961–1963
- Made in: USA
- Wattage: 85W
- Channels: 2
- Preamp tubes: 4× 12AX7, 2× 12AT7
- Power tubes: 4× 6L6
Tags: american, clean, brownface, vintage, 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.