Marshall 5212 Split Channel 50W Transistor Reverb Combo - Boost preset

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

The Marshall 5212 is a 50W transistor reverb combo with split clean and lead channels, part of the solid-state lineup from the early 1980s. Its two-channel format and built-in reverb offered working guitarists a versatile self-contained rig at a lower price than valve alternatives.

• Years produced: 1984–1991
• Made in: UK
• Wattage: 50W
• Channels: 2
• Preamp tubes: solid-state
• Power tubes: solid-state

Tags: solid-state, combo, 80s.

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.