BGW Model 750B / 750C - Left preset

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

BGW Systems was an American manufacturer of professional power amplifiers used primarily in PA and live sound reinforcement. The Model 750B and 750C were solid-state stereo power amplifiers prized for their reliability and high output power. They were workhorses of the live sound industry throughout the 1970s and 1980s.

• Years produced: 1970s–1980s
• Made in: USA
• Channels: 2

Tags: american, solid-state, modern.

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.