Ampeg ET-2 Super Echo Twin - Channel 1 preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The ET-2 Super Echo Twin Channel 2 documents the secondary amplifier section of Ampeg's upscale stereo echo guitar combo. With four 6L6 output tubes providing 40 watts total, the Super Echo Twin offered more power than the ET-1. Channel 2 drives the right speaker in the stereo configuration with the echo effect.

• Years produced: 1962–1967
• Made in: USA
• Wattage: 40W
• Channels: 2
• Preamp tubes: 4× 12AX7
• Power tubes: 4× 6L6

Tags: guitar, american, vintage, mid-wattage, reverb, clean, stereo.

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.