What tubes does the Traynor Customreverb Ysr1A use?

The Traynor Customreverb Ysr1A uses 3× 12AX7 preamp tubes and 2× EL34 power tubes.

When was the Traynor Customreverb Ysr1A produced?

The Traynor Customreverb Ysr1A was produced 1968–1974.

Traynor Customreverb Ysr1A preset

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

The Traynor Custom Reverb YSR-1A is a revised variant of the YSR-1, incorporating circuit refinements to the spring reverb recovery and preamp stages. It retained the EL34 power section and the British-influenced tonal character of the Custom Special family while further polishing the reverb integration. As with the original YSR-1, it offered Canadian players an affordable domestic alternative to imported reverb heads at a time when such amplifiers were otherwise difficult to source or prohibitively expensive.

Years produced: 1968–1974
Made in: Canada
Wattage: 45W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× EL34

Tags: british, crunch, vintage.

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.