Ceriatone Overtone Special 100 preset

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

The OTS 100 is Ceriatone's 100-watt amp in the style of the Dumble Overdrive Special. A FET-buffered input and three ECC83s run a volume with bright cap 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. Four 6L6GCs on a solid-state rectifier; footswitched OD and PAB, OD trim, preamp out/power amp in and a half-power switch.

• Made in: Malaysia
• Wattage: 100W
• Channels: 1
• Preamp tubes: 3× ECC83
• Power tubes: 4× 6L6GC

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.