Ampeg BA115SPa - Main preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The BA115SPa is an enhanced version of the BA115 bass combo with additional features including a tweeter and improved EQ options. The Main channel delivers clean, punchy bass amplification through the 15-inch woofer with high-frequency extension from the built-in tweeter. A versatile club and rehearsal combo.

• Years produced: 2000s
• Made in: USA
• Wattage: 220W
• Channels: 1

Tags: bass, american, modern, mid-wattage, 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.