What tubes does the Dukane 1A385 - Main use?

The Dukane 1A385 - Main uses 2× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Dukane 1A385 - Main produced?

The Dukane 1A385 - Main was produced 1958–1968.

Dukane 1A385 - Main preset

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

The Dukane 1A385 was an American institutional tube amplifier designed for reliable, wide-bandwidth audio amplification in public address and educational settings. Dukane's conservative engineering approach produced robust, long-lived amplifiers that remained in service for decades.

Years produced: 1958–1968
Made in: USA
Channels: 2
Preamp tubes: 2× 12AX7
Power tubes: 2× 6V6

Tags: american, 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.