Ceriatone Overtone Special SM 50 - Clean preset

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

The Overtone Sami & Marin Special is a 50-watt Ceriatone head in the Dumble Overdrive Special mould. A FET-buffered input runs a volume into treble, middle and bass with Rock/Jazz, Mid-Boost and Bright switches, then a relay-switched overdrive with ratio and level, a master and presence. Two output valves on a solid-state rectifier, footswitched OD and PAB, OD trim and preamp out/power amp in, for glassy cleans and vocal overdrive.

• Made in: Malaysia
• Wattage: 50W
• Channels: 2
• Power tubes: 2× 6L6GC

Tags: boutique, clean, crunch, two-channel, mid-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.