What tubes does the Rickstone Poweramp C15B use?

The Rickstone Poweramp C15B uses 1× ECC83 preamp tubes and 2× EL84 power tubes.

When was the Rickstone Poweramp C15B produced?

The Rickstone Poweramp C15B was produced 1960s.

Rickstone Poweramp C15B preset

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

The Rickstone Poweramp C15B is a variant of the C15 power amplifier, the 'B' suffix indicating a revised or alternative circuit configuration. Rickstone's modular approach to amplifier design produced multiple closely related variants within each power rating, allowing for component substitution or feature differentiation. This entry documents a related but distinct version of the 15-watt Rickstone power amp.

Years produced: 1960s
Made in: UK
Wattage: 15W
Channels: 1
Preamp tubes: 1× ECC83
Power tubes: 2× EL84

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.