What tubes does the Ruby Ruby Guitar Amplifier use?

The Ruby Ruby Guitar Amplifier uses 1× 12AX7 preamp tubes and 1× 6V6 power tubes.

When was the Ruby Ruby Guitar Amplifier produced?

The Ruby Ruby Guitar Amplifier was produced 1960–1970.

Ruby Ruby Guitar Amplifier preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Ruby guitar amplifier was a basic Japanese-made entry-level tube combo providing simple clean amplification for beginning guitarists in the 1960s. Its minimal circuit and small speaker produced a thin but functional tone.

Years produced: 1960–1970
Made in: Japan
Wattage: 5W
Channels: 1
Preamp tubes: 1× 12AX7
Power tubes: 1× 6V6

Tags: vintage, clean.

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.