London City Mkv Super Dea100 preset

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

The London City MkV Super DEA100 is a 100-watt EL34-based amplifier representing the Mark V evolution of London City's DEA series, built for the UK professional musician market in the 1970s. London City amplifiers followed the Marshall-influenced British circuit tradition, offering EL34-powered high headroom and crunch at professional stage volumes. The MkV refinements brought improved circuit design to the DEA platform.

Tags: british, vintage, crunch.

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.