Mesa Boogie Mark V - Lead preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Mark V has three channels, each with three modes that recall earlier Marks (including IIC+ and Mark IV voicings), plus the 5-band graphic EQ, reverb and 10/45/90-watt power options with Simul-Class. John Petrucci used it before his JP-2C signature.

• Years produced: 2009–2023
• Made in: USA
• Wattage: 90W
• Channels: 3
• Power tubes: 4× 6L6GC

Known for: John Petrucci.

Heard on: The Enemy Inside — Dream Theater (2013).

Tags: american, high-gain, crunch, clean, 6l6, high-wattage, multi-channel.

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.