What tubes does the Rickstone Poweramp C50 use?

The Rickstone Poweramp C50 uses 1× ECC83 preamp tubes and 2× EL34 power tubes.

When was the Rickstone Poweramp C50 produced?

The Rickstone Poweramp C50 was produced 1960s.

Rickstone Poweramp C50 preset

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

The Rickstone Poweramp C50 is the most powerful offering in the C-series power amplifier lineup from this small British manufacturer, delivering 50 watts through EL34 output tubes. At this power level, it would have been suitable for professional touring and larger venue applications in the 1960s UK music scene. The C50 represents the upper tier of Rickstone's range and is among their rarest surviving designs.

Years produced: 1960s
Made in: UK
Wattage: 50W
Channels: 1
Preamp tubes: 1× 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.