Ceriatone Plexi 101 All Access — JTM50 Settings - Normal preset

Close · 72/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

Ceriatone's faithful reproduction of a JTM50-spec Marshall, built in Malaysia with hand-selected components. The JTM50 delivers the Marshall JTM tone at 50 watts with the characteristic warm, saggy British crunch.

• Years produced: 2005–present
• Made in: Malaysia
• Wattage: 50W
• 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.