What tubes does the Garnet Lil Rock B90L / L90L - Normal use?

The Garnet Lil Rock B90L / L90L - Normal uses 3× 12AX7 preamp tubes and 4× 6CA4 power tubes.

When was the Garnet Lil Rock B90L / L90L - Normal produced?

The Garnet Lil Rock B90L / L90L - Normal was produced 1966–1973.

Garnet Lil Rock B90L / L90L - Normal preset

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

The Garnet Lil Rock B90L/L90L is a compact 90-watt Rebel variant in a smaller enclosure, offering full Rebel power in a more portable package. The Lil Rock designation suggests a combo or smaller head format, making it practical for Canadian musicians who needed full-power tube tone without the bulk of a standard Rebel stack.

Years produced: 1966–1973
Made in: Canada
Wattage: 90W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 4× 6CA4

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.