Yorkville Sonax 750G / 775G - Normal preset

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

A solid-state guitar amp from Yorkville's Sonax line, drawn as the Sonax 750G and 775G. A Straight channel and an Effects channel each have two inputs, a transistor stage, their own Treble and Bass, a Bright switch and their own Volume. The Effects channel adds an Accutronics spring reverb with Reverb Gain and a footswitch, and an optical tremolo with Rate, Intensity and a footswitch. A 2N3055 output pair drives the speakers from a ±36 V supply.

• Made in: Canada
• Wattage: 50W
• Channels: 2

Tags: canadian, vintage, solid-state, reverb, tremolo, two-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.