Marshall Jvm410 60 02 1 preset

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

The Marshall JVM series, introduced in 2007, brought four fully programmable channels to the classic EL34 platform, covering clean, crunch, overdrive, and ultra-gain modes with MIDI switching. It is Marshall's most feature-complete modern amplifier and a flexible studio-and-stage tool.

• Years produced: 2007–present
• Made in: UK
• Wattage: 100W
• Channels: 4
• Preamp tubes: 5× ECC83
• Power tubes: 4× EL34

Known for: Joe Satriani, Lzzy Hale.

Tags: british, modern, 4-channel, programmable.

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.