Ampeg R-12R / R-212R / R-50H - Dirty preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

Combined schematic covering the R-12R/R-212R/R-50H Reverbrocket Reissue family in its various configurations (112, 212, and head). The Clean channel delivers authentic vintage Ampeg Reverberocket tone. This document encompasses all cabinet and wattage variants of the reissue series.

Tags: guitar, american, modern, mid-wattage, reverb, clean, reissue.

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.