Ampeg BA115a - Main preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The BA115a is a solid-state bass combo featuring a 15-inch speaker and 100 watts of power. The Main channel delivers clear, punchy bass amplification with the Ampeg signature EQ shaping. A popular choice for rehearsal, small venues, and home recording where a full-size 15-inch speaker is desired.

• Years produced: 2000s–present
• Made in: USA
• Wattage: 100W
• 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.