What tubes does the Traynor YBA-4 - Ch 1 use?

The Traynor YBA-4 - Ch 1 uses 2× 12AX7 preamp tubes and 2× 6CA4 power tubes.

When was the Traynor YBA-4 - Ch 1 produced?

The Traynor YBA-4 - Ch 1 was produced 1966–1974.

Traynor YBA-4 - Ch 1 preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Traynor YBA-4 Bassmaster is the bigger sibling to the YBA-1, offering more headroom while retaining the punchy, mid-forward character of the early Traynor sound. It was a staple of the Canadian club scene in the late 1960s and early 1970s.

Years produced: 1966–1974
Made in: Canada
Wattage: 45W
Channels: 2
Preamp tubes: 2× 12AX7
Power tubes: 2× 6CA4

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.