What tubes does the Unknown Rickstone Poweramp H30W use?

The Unknown Rickstone Poweramp H30W uses 1× ECC83 preamp tubes and 2× EL34 power tubes.

When was the Unknown Rickstone Poweramp H30W produced?

The Unknown Rickstone Poweramp H30W was produced 1960s.

Unknown Rickstone Poweramp H30W preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

This DIY-sourced schematic documents the Rickstone H30W power amplifier, a 30-watt British power amp section from the 1960s using EL34 output tubes. Rickstone was a small UK brand producing budget-to-midrange amplifiers for the British market during the beat group era. This entry captures the circuit for the hobbyist and restoration community.

Years produced: 1960s
Made in: UK
Wattage: 30W
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.