What tubes does the Vox Vkpa100 use?

The Vox Vkpa100 uses 0 preamp tubes and solid-state power tubes.

When was the Vox Vkpa100 produced?

The Vox Vkpa100 was produced 1980s.

Vox Vkpa100 preset

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

The VK PA100 is a solid-state 100-watt power amplifier from Vox's 1980s product range, designed for PA and instrument amplification applications.

Years produced: 1980s
Made in: UK
Wattage: 100W
Channels: 1
Preamp tubes: 0
Power tubes: solid-state

Tags: british, solid-state, vintage, power-amp.

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.