HDB Electronic Ruby Riot II v5 - Lead preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The HDB Electronic Ruby Riot II is a boutique amplifier with a lead-focused high-gain channel. It represents the kind of hand-built, small-run designs emerging from independent builders targeting the high-gain and rock market. Detailed specifications remain limited due to its obscure origins.

Tags: modern, high-gain.

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.