Ceriatone Jtm46 All Access 25 June 2023 preset

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

Ceriatone's faithful reproduction of the Marshall JTM45 on an All Access PCB, built in Malaysia with hand-selected components. The All Access board update retains the original JTM45 circuit's warm KT66 crunch.

• Years produced: 2005–present
• Made in: Malaysia
• Wattage: 45W
• Channels: 1
• Preamp tubes: 3× ECC83
• Power tubes: 2× KT66

Tags: british, crunch, vintage, 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.