Vox VBM1 Recording Amp - Main preset

Close · 72/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The VBM1 is a miniature 1-watt recording amp using a single 12AX7 tube in the preamp. Designed primarily for direct recording and practice at bedroom volumes, it captures tube harmonic character at extremely low power.

• Years produced: 2009–2014
• Made in: UK
• Wattage: 1W
• Channels: 1
• Preamp tubes: 1× 12AX7
• Power tubes: solid-state power section

Tags: british, low-wattage, recording, practice.

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.