Ampeg Super Echo Twin ET-2B - Channel 2 preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Ampeg Super Echo Twin ET-2B is a stereo guitar combo with two independent amplifiers, each with a 6SL7 preamp and tone control driving a push-pull pair of 7591s, its own output transformer and speaker. It has tremolo and a built-in echo unit, with silicon rectifiers and two power transformers.

• Made in: USA
• Wattage: 30W
• Channels: 2
• Preamp tubes: 4× 6SL7
• Power tubes: 4× 7591

Tags: american, vintage, stereo, reverb, tremolo, mid-wattage.

Schematic-derived preset files for the Neural DSP Quad Cortex and 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.