Peavey Session 400 Limited preset

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

The Peavey Session 400 Limited is a 1990 solid-state amp built for pedal steel and clean guitar, the compact version of the Session 400. High and low gain inputs feed a Pre gain stage with a Shift voicing switch, Presence, Low, Mid and High controls and a Sensitivity control, with an optical Preamp Clamp compressor. Two footswitchable effects loops, spring reverb, a transformer-balanced output and a discrete transistor power amp on +/-48 V rails complete it.

• Introduced: 1990
• Made in: USA
• Wattage: 200W
• Channels: 1

Tags: american, solid-state, clean, reverb, tremolo, high-wattage.

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.