Marshall Bass 3510 preset

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

The 3510 is a 100-watt solid-state bass head from Marshall's mid-1980s transistor range. A single input feeds an op-amp Gain stage, then a Contour control and five band controls at 50 Hz, 400 Hz, 1 kHz, 5 kHz and 10 kHz, an effects send/return, Output Volume and a preamp out. The power stage uses a 2SK134/2SJ49 lateral MOSFET output pair off a bridge rectifier, giving high clean output without valve maintenance.

• Made in: UK
• Wattage: 100W
• Channels: 1

Tags: british, bass, solid-state, 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.