What tubes does the Engl Rb100 Preamp use?

The Engl Rb100 Preamp uses 5x ECC83 preamp tubes.

When was the Engl Rb100 Preamp produced?

The Engl Rb100 Preamp was produced 1993–2000.

Engl Rb100 Preamp preset

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

The ENGL RB100 Preamp is a rack-mount tube preamplifier from the mid-1990s offering three switchable channels with MIDI controllability for professional live performance use. Its clean, crunch, and lead channels cover the full dynamic range from studio-clean transparency to saturated high-gain lead playing. The RB100 was a fixture in the rack rigs of European professional rock and metal guitarists throughout the 1990s.

Years produced: 1993–2000
Made in: Germany
Channels: 3
Preamp tubes: 5x ECC83

Tags: high-gain, modern.

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.