What tubes does the Vox Qslead1 use?

The Vox Qslead1 uses 0 preamp tubes and solid-state power tubes.

When was the Vox Qslead1 produced?

The Vox Qslead1 was produced 1987–1990.

Vox Qslead1 preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Q-Series Lead 100 is a solid-state preamp from Vox's late-1980s Q-Series range. It provides clean and lead channels in a rack-mount format, part of Vox's attempt to produce a modern, switching-capable solid-state professional amplifier system.

Years produced: 1987–1990
Made in: UK
Wattage: 100W
Channels: 2
Preamp tubes: 0
Power tubes: solid-state

Tags: british, solid-state, vintage, rack.

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.