What tubes does the Elk Pro Sonic Pic1 use?

The Elk Pro Sonic Pic1 uses 3× 12AX7 preamp tubes.

When was the Elk Pro Sonic Pic1 produced?

The Elk Pro Sonic Pic1 was produced 1960s–1970s.

Elk Pro Sonic Pic1 preset

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

The Elk Pro Sonic is a professional-tier Japanese combo from Elk's lineup, positioned at the top of their range for working musicians. Its design reflects Elk's aspiration to match the quality and tone of Western professional amplifiers.

Years produced: 1960s–1970s
Made in: Japan
Channels: 2
Preamp tubes: 3× 12AX7

Tags: japanese, 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.