What tubes does the Epiphone EA-70 - Main use?

The Epiphone EA-70 - Main uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Epiphone EA-70 - Main produced?

The Epiphone EA-70 - Main was produced 1962–1969.

Epiphone EA-70 - Main preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Epiphone EA-70 is a 50-watt professional-grade tube combo from the Constellation series, offering substantial clean headroom through a 6L6 output stage. As one of the more powerful Epiphone combos of the 1960s, it was suited to large club performances and small concert venues where clean, loud tube tone was essential.

Years produced: 1962–1969
Made in: USA
Wattage: 50W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6L6

Tags: vintage, clean, american.

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.