What tubes does the Selmer Selectortone Twin use?

The Selmer Selectortone Twin uses 3× ECC83 preamp tubes and 2× EL34 power tubes.

When was the Selmer Selectortone Twin produced?

The Selmer Selectortone Twin was produced 1963–1967.

Selmer Selectortone Twin preset

Verified · 84/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Selmer Selector Tone Twin was a two-channel amplifier featuring the company's distinctive rotary tone-selector circuit alongside conventional volume and tone controls. The push-pull output stage produced a clean, well-defined sound typical of quality British valve amplifiers of the period. The twin-channel layout made it versatile for both lead and rhythm applications.

Years produced: 1963–1967
Made in: UK
Channels: 2
Preamp tubes: 3× ECC83
Power tubes: 2× EL34

Tags: british, vintage, clean.

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.