What tubes does the Rickstone Preamp C50 use?

The Rickstone Preamp C50 uses 1× ECC83 preamp tubes.

When was the Rickstone Preamp C50 produced?

The Rickstone Preamp C50 was produced 1960s.

Rickstone Preamp C50 preset

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

The Rickstone Preamp C50 documents the preamplifier section for the most powerful model in the Rickstone C-series, showing the input and gain staging that drives the 50-watt power section. The preamp design in these higher-powered Rickstone models may differ from the smaller variants to accommodate the additional drive requirements of the output stage. This entry preserves technical reference for the rarest Rickstone model.

Years produced: 1960s
Made in: UK
Channels: 1
Preamp tubes: 1× ECC83

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.