Award-Session Sessionmaster JD10 preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Sessionmaster JD10 is a battery- or DC-powered solid-state guitar preamp/DI from Award-Session of Basingstoke, not a power amp. It offers a Classic/Rock mode selector, Drive Depth, three-band EQ and output level, plus a switchable G12T speaker simulator for recording or going direct to a desk.

• Years produced: 1995–2011
• Made in: UK
• Channels: 1

Known for: Jerry Donahue.

Tags: british, solid-state, preamp.

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.