Carlsbro 60 T.R. & 60 T.R. Twin - Treble preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Carlsbro 60Tr and 60Tr Twin are transistor-based heads from Carlsbro's core lineup, built for reliable gigging use in the UK. The Twin variant added a second channel, making it versatile for both guitar and bass applications.

• Years produced: 1970s
• Made in: UK
• Wattage: 60W
• Channels: 2

Tags: british, vintage, 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.