What tubes does the Selmer All Purpose 30 - Normal use?

The Selmer All Purpose 30 - Normal uses 2× ECC83 preamp tubes and 2× EL34 power tubes.

When was the Selmer All Purpose 30 - Normal produced?

The Selmer All Purpose 30 - Normal was produced 1960–1967.

Selmer All Purpose 30 - Normal preset

Verified · 83/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Selmer All Purpose 30 is a versatile 30-watt British tube amplifier from Selmer London, designed for use with both guitar and bass instruments as the name suggests. With two channels and EL34 power tubes, it offered British punch and character suitable for small to medium venues. Like other Selmer models, it was an affordable alternative to Vox and Marshall during the 1960s British beat era.

Years produced: 1960–1967
Made in: UK
Wattage: 30W
Channels: 2
Preamp tubes: 2× ECC83
Power tubes: 2× EL34

Tags: british, 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.