Ampeg B-115 & B-410 - Main preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The B-115 and B-410 are solid-state bass combos sharing a common amplifier circuit in different cabinet configurations — a single 15-inch speaker and four 10-inch speakers respectively. The Main channel delivers clean, powerful bass amplification with Ampeg's signature EQ shaping.

• Years produced: 1988–1993
• Made in: USA
• Wattage: 150W
• 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.