Roland Blues Cube BC-30/BC-60 - Lead preset

Close · 65/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Roland Blues Cube BC-30 and BC-60 were solid-state amplifiers designed to recreate classic tube amp tone using Roland's proprietary Tube Logic circuitry. They produced warm, responsive clean and crunch tones reminiscent of vintage British and American designs.

Tags: solid-state, modern, clean, crunch.

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.