Garnet L260D BTO - Normal preset

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

The Garnet L260D BTO is a 260-watt guitar amplifier from the BTO series developed with Bachman-Turner Overdrive, providing the guitar amplification backbone for one of Canada's biggest rock acts. Randy Bachman's power chord-driven rhythm work and melodic lead playing defined the sound requirements that shaped this amplifier's development.

• Years produced: 1971–1978
• Made in: Canada
• Wattage: 260W
• Channels: 2
• Preamp tubes: 3× 12AX7

Known for: Randy Bachman, Bachman-Turner Overdrive.

Heard on: You Ain't Seen Nothing Yet — Bachman-Turner Overdrive (1974).

Tags: vintage, crunch, american.

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.