Dynacord LE 120 (EL34) preset

Verified · 84/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

This 1961 LE 120 is a Dynacord PA power amplifier built around four EL34s in push-pull parallel, driven by a single ECC81 input and phase-splitter stage, with an EM84 level indicator and EZ81 plus twin GZ34 rectifiers. It delivers about 120 W into 8 or 16 ohms or a 100 V line, and is a different circuit from the earlier EL156-based LE 120.

Tags: german, vintage, power-amp, high-wattage, el34, clean.

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.