Yamaha G50 112 G100 112 115 210 212 Series Ii preset

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

The Yamaha G50/G100 Series II is an updated line of solid-state guitar combos available in numerous cabinet configurations, featuring improved preamp circuitry and enhanced tone controls over the original Series I. These amps were Yamaha's answer to the growing demand for reliable solid-state amplification in professional settings.

• Years produced: 1979–1985
• Made in: Japan
• Channels: 2

Tags: modern, solid-state, clean.

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.