What tubes does the Elk Customamp75 Pic1 use?

The Elk Customamp75 Pic1 uses 3× 12AX7 preamp tubes and 4× EL34 power tubes.

When was the Elk Customamp75 Pic1 produced?

The Elk Customamp75 Pic1 was produced 1960s–1970s.

Elk Customamp75 Pic1 preset

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

The Elk Custom Amp 75 is among the most powerful of Elk's Custom Amp series, pushing 75 watts through four EL34s. A rare vintage find, it showcases the ambition of Japanese amp makers in replicating and refining Western tube designs.

Years produced: 1960s–1970s
Made in: Japan
Wattage: 75W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 4× EL34

Tags: japanese, vintage.

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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.