London City DEA 100 preset

Close · 65/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The London City DEA 100 Super Amplifier is a 100-watt EL34 tube head from London City Amplifiers, designed for the professional UK musician market during the 1970s British amp boom. London City competed with Marshall, Sound City, and other UK manufacturers by offering high-quality EL34-based heads at competitive prices. The DEA 100 is an underappreciated British vintage amp with authentic period tone.

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.