Ampeg V-2 / V-4 / VT-22 / VT-40 (1976) - Channel 1 preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The 1976 distortion-equipped Ampeg V-2, V-4, VT-22 and VT-40 share one circuit. Channel 1 has a diode distortion circuit, Ultra-Hi switch, bass, treble and a 5-position inductor midrange selector on 12DW7s. Channel 2 has a 12AX7 with Ultra-Hi and 6CG7-driven spring reverb. A 6AN8A cathodyne phase inverter drives four 7027As for 100 watts.

• Years produced: 1976–1979
• Made in: USA
• Wattage: 100W
• Channels: 2
• Preamp tubes: 3× 12DW7, 1× 12AX7, 1× 6CG7, 1× 6AN8A
• Power tubes: 4× 7027A

Tags: american, vintage, reverb, two-channel, high-wattage, 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.