What tubes does the London City Mkv Super Dea70 use?

The London City Mkv Super Dea70 uses 3× ECC83 preamp tubes and 4× EL34 power tubes.

When was the London City Mkv Super Dea70 produced?

The London City Mkv Super Dea70 was produced 1970s.

London City Mkv Super Dea70 preset

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

The London City MkV Super DEA70 is the 70-watt variant of London City's Mark V DEA Super series, offering slightly reduced headroom compared to the 100-watt model while retaining the same British EL34-driven character. London City produced these amplifiers for the UK working musician market as an alternative to the dominant Marshall brand. The DEA70 MkV is a rare and collectible British vintage amp from a lesser-documented manufacturer.

Years produced: 1970s
Made in: UK
Wattage: 70W
Channels: 2
Preamp tubes: 3× ECC83
Power tubes: 4× EL34

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.