Ceriatone Overtone Sami & Marin Special - overdrive preset

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

Ceriatone's Overtone SM Special is a Dumble ODS-inspired design, built in Malaysia with hand-selected components. The Overtone Special targets the Dumble Overdrive Special's legendary clean tones and musical overdrive channel, beloved by blues and fusion players.

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

Tags: american, clean, overdrive, 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.