Behringer BX1800 Ultrabass - Main preset

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

The Behringer BX1800 Ultrabass is a 180-watt solid-state bass combo designed for bass players seeking an affordable and reliable rehearsal amp. Its built-in EQ and straightforward controls make it a practical choice for practice and smaller gigs.

• Years produced: 2000s
• Made in: Germany
• Wattage: 180W
• Channels: 1

Tags: german, modern, solid-state, bass.

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.