Ceriatone HRM Mk2 100 preset

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

The HRM Mk2 100 is Ceriatone's second 100-watt amp in the style of the Dumble Overdrive Special 'Hot Rubber Monkey' variant. Three preamp valves run a pull-bright volume and a relay-switched overdrive with drive and level into the HRM tone network (treble, middle, bass) and master, with Rock/Jazz, Mid-Boost and Deep switches and presence. Four EL34s, solid-state rectifier, footswitched OD and PAB, preamp out/power amp in and an OD trim.

Tags: boutique, hand-wired, clean, crunch, high-wattage.

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.