What tubes does the Fender 6G3 Lo use?

The Fender 6G3 Lo uses 3× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Fender 6G3 Lo produced?

The Fender 6G3 Lo was produced 1961–1963.

Fender 6G3 Lo preset

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

The Deluxe 6G3 Lo is an alternate layout for the brownface Deluxe. Sharing the same 22-watt, dual-6V6 circuit as the standard 6G3, it produces the warm, midrange-forward tones of the brownface period.

Years produced: 1961–1963
Made in: USA
Wattage: 22W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6V6

Tags: american, clean, brownface, vintage.

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.