Carlsbro CS40/CS50 Top - Main preset

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

The Carlsbro CS40/CS50 Top is a solid-state head available in 40 and 50 watt versions, part of Carlsbro's CS series. These amps were backbone equipment for the UK's working musician community throughout the late 1970s and 1980s.

• Years produced: 1970s–1980s
• Made in: UK
• Wattage: 50W
• Channels: 2

Tags: british, 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.