Gibson GA-30RVS preset

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

The stereo model in the Gibson Gold Tone series, which Trace Elliot designed and built in England; it also appears as the Velocette Twin. Four 12AX7s feed two class A EL84 power sections, 15 watts per side, with reverb, an effects loop and a pull switch that adds an extra preamp gain stage. It gives chimey EL84 tones with a wide stereo spread.

Tags: el84, class-a, stereo, reverb, chime, mid-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.