Yamaha G20 110 G50 110 Iii preset

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

The Yamaha G20 and G50 Series III are solid-state combo amplifiers in compact 1x10 configurations, targeting the practice and rehearsal market. They combine Yamaha's engineering precision with an affordable, portable format suitable for smaller venues and home use.

• Years produced: 1980s
• 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.