Vox Q-Series Keyboard Pre-amp (1988) - Channel 1 preset

Verified · 82/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The AC/10 Amplifier No.3 is an early-to-mid-1960s circuit variant of the Vox AC10 — a 10-watt portable combo with the EL84 power section that established Vox's chimey tonal character in a compact format.

• Years produced: 1963–1969
• Made in: UK
• Wattage: 10W
• Channels: 2
• Preamp tubes: 2× ECC83
• Power tubes: 2× EL84

Tags: british, el84, chime, vintage, portable.

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.