What tubes does the London City DEA70 Mark V - Normal use?

The London City DEA70 Mark V - Normal uses 3× ECC83 preamp tubes and 4× EL34 power tubes.

When was the London City DEA70 Mark V - Normal produced?

The London City DEA70 Mark V - Normal was produced 1970s.

London City DEA70 Mark V - Normal preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The London City DEA70 Mark V is a 70-watt EL34 tube amplifier head from London City Amplifiers, representing the mid-range power option in the DEA series. Built for the UK touring and session musician market, it delivers classic British tube amp character with EL34 crunch and warmth. The DEA70 is a relatively obscure British vintage amp that offers authentic period tones for collectors and players.

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.