Fender Acoustasonic SFX II - Instrument preset

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

The Acoustasonic SFX II is a 2000s solid-state Fender acoustic amp. The instrument channel has gain, treble, middle, bass, string dynamics, a feedback notch, phase, an insert and its own effects select and level; the mic/line channel has the same set without string dynamics. A master section adds SFX level, an SFX disable switch, aux in and level, and master volume. Digital effects and the SFX stereo processor feed two transistor power amps, rated 160 W total at 5% THD.

• Wattage: 160W
• Channels: 2

Tags: acoustic, solid-state, stereo, clean, high-wattage, american.

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.