Marshall 8280 Stereo Chorus Reverb 2x80W - Crunch preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Marshall 8280 Stereo Chorus Reverb is a 2×80W solid-state stereo combo from the late 1980s, offering built-in chorus and reverb effects alongside a clean and overdrive channel. It was aimed at players who wanted a self-contained stereo effects setup without external processing.

• Years produced: 1987–1994
• Made in: UK
• Wattage: 160W
• Channels: 2
• Preamp tubes: solid-state
• Power tubes: solid-state

Tags: solid-state, stereo, chorus, 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.