Ashdown MAG 300 preset

Verified · 88/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The MAG 300 is a solid-state bass head from Ashdown's MAG range, rated at 300 watts. It has an op-amp preamp with a multi-band EQ section and a MOSFET output stage. Ashdown aimed the MAG range at working bassists who wanted a light, affordable head with the brand's punchy, mid-forward voice.

• Wattage: 300W
• Channels: 1

Tags: british, solid-state, bass, high-wattage.

Schematic-derived preset files for the Neural DSP Quad Cortex and 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.