Garnet Pro Bass 190 / BTO Bass 260 (Stinger) - Rear preset

Close · 70/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Garnet Stinger is a smaller-format tube amplifier with an aggressive name that hints at a more aggressive character than the clean Revolution and Rebel models. It served the entry-level and practice market while offering genuine tube tone from the Garnet workshop in Winnipeg.

• Years produced: 1966–1972
• Made in: Canada
• Wattage: 30W
• Channels: 1
• Preamp tubes: 2× 12AX7
• Power tubes: 2× 6V6

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.