Behringer ACX1800 Ultracoustic - Instrument preset

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

The Behringer ACX1800 Ultracoustic is a solid-state acoustic instrument amplifier offering 180 watts with dedicated channels for microphone and instrument inputs. It is designed for acoustic guitarists and singer-songwriters seeking an affordable on-stage solution.

• Years produced: 2000s
• Made in: Germany
• Wattage: 180W
• Channels: 2

Tags: german, modern, solid-state.

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.