What tubes does the Elk Vk 50 Pic1 use?

The Elk Vk 50 Pic1 uses 3× 12AX7 preamp tubes.

When was the Elk Vk 50 Pic1 produced?

The Elk Vk 50 Pic1 was produced 1960s–1970s.

Elk Vk 50 Pic1 preset

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

The Elk VK 50 is a 50-watt Japanese amplifier from Elk's VK series, delivering mid-level power for the Japanese domestic market. A collectible vintage amp that showcases Japan's 1960s amplifier culture.

Years produced: 1960s–1970s
Made in: Japan
Wattage: 50W
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.