What tubes does the Engl E768 Reverb Retro Tube use?

The Engl E768 Reverb Retro Tube uses ECC83 preamp tubes.

When was the Engl E768 Reverb Retro Tube produced?

The Engl E768 Reverb Retro Tube was produced 1990s–2000s.

Engl E768 Reverb Retro Tube preset

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

Reverb section schematic for the ENGL Retro Tube E768, showing the complete reverb signal path including the driver, tank connection, and recovery circuitry.

Years produced: 1990s–2000s
Made in: Germany
Preamp tubes: ECC83

Tags: german, reverb, sub-circuit, vintage-voiced.

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.