What tubes does the Yorkville Sound YGM-3 use?

The Yorkville Sound YGM-3 uses 2× 12AX7 preamp tubes and 2× EL84 power tubes.

When was the Yorkville Sound YGM-3 produced?

The Yorkville Sound YGM-3 was produced 1966–1973.

Yorkville Sound YGM-3 preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Yorkville YGM-3 Guitarmate was a compact Canadian tube combo using EL84 output tubes, offering a warm, slightly British-influenced character at modest wattage. It was a popular choice for rehearsals and small venues throughout Canada and the northeastern United States.

Years produced: 1966–1973
Made in: Canada
Wattage: 25W
Channels: 2
Preamp tubes: 2× 12AX7
Power tubes: 2× EL84

Tags: british, vintage, clean, crunch.

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.