Oliver B-120 - Channel 2 preset

Verified · 82/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

Oliver amplifiers were American-made solid-state units produced in the early 1970s, marketed as professional alternatives to tube amplifiers for bass and guitar players. The B-120 offered high power output and a clean, punchy character suited to large venues.

• Years produced: 1970–1978
• Made in: USA
• Wattage: 120W
• Channels: 2

Tags: american, solid-state, vintage, clean.

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.