What tubes does the Ceriatone Hrm 100W Mk2 use?

The Ceriatone Hrm 100W Mk2 uses 3× ECC83 preamp tubes and 4× EL34 power tubes.

When was the Ceriatone Hrm 100W Mk2 produced?

The Ceriatone Hrm 100W Mk2 was produced 2010–present.

Ceriatone Hrm 100W Mk2 preset

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

Ceriatone's HRM 100W Mk2 is an updated High Ratio Master design at full power, built in Malaysia with hand-selected components. The Mk2 revision refines the JCM800-inspired circuit with improved dynamics and gain staging.

Years produced: 2010–present
Made in: Malaysia
Wattage: 100W
Channels: 2
Preamp tubes: 3× ECC83
Power tubes: 4× EL34

Tags: british, high-gain, crunch, boutique.

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.