Traynor Yba 1 Bass Master preset

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

The Traynor YBA-1 Bassmaster is the amp that made Traynor's reputation — a punchy, mid-forward tube head that served as the backbone of countless Canadian bands in the late 1960s. Its aggressive character and natural breakup make it highly valued by vintage amp enthusiasts today.

• Years produced: 1965–1974
• Made in: Canada
• Wattage: 45W
• Channels: 2
• Preamp tubes: 2× 12AX7
• Power tubes: 2× 6CA4

Known for: The Band, April Wine.

Tags: vintage, 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.