What tubes does the Marshall DSL40C - Ultra Gain use?

The Marshall DSL40C - Ultra Gain uses 4× ECC83 preamp tubes and 2× EL34 power tubes.

When was the Marshall DSL40C - Ultra Gain produced?

The Marshall DSL40C - Ultra Gain was produced 2012–2018.

Marshall DSL40C - Ultra Gain preset

Verified · 92/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The DSL40C is a 40-watt 1×12 combo of the 2012 DSL series, with Classic Gain and Ultra Gain channels, each with two modes. It has two EL34s with a pentode/triode power switch, a tone-shift switch, digital reverb and an effects loop.

Years produced: 2012–2018
Made in: UK
Wattage: 40W
Channels: 2
Preamp tubes: 4× ECC83
Power tubes: 2× EL34

Tags: british, crunch, high-gain, el34, mid-wattage, two-channel, reverb.

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.