Marshall JCM2000 TSL100 - Lead preset

Verified · 87/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The JCM2000 TSL100 (Triple Super Lead) is a 100-watt three-channel head with Clean, Crunch and Lead channels, relay/optocoupler switching, reverb and an effects loop into four EL34s. It was Marshall's top-of-the-line multi-channel head before the JVM.

• Made in: UK
• Wattage: 100W
• Channels: 3
• Preamp tubes: 4× ECC83
• Power tubes: 4× EL34

Known for: J Mascis, Wayne Lozinak.

Heard on: Instinctive (Slaughterlust) — Hatebreed (2020).

Tags: british, crunch, high-gain, el34, high-wattage, multi-channel, reverb.

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.