What tubes does the Fender Tremolux 6G9B use?

The Fender Tremolux 6G9B uses 2× 12AX7 preamp tubes and 2× 6V6 power tubes.

When was the Fender Tremolux 6G9B produced?

The Fender Tremolux 6G9B was produced 1963.

Fender Tremolux 6G9B preset

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

The Tremolux 6G9B is an alternate designation for the final brownface Tremolux, describing the same 18-watt, dual-6V6 head with optical tremolo at the end of the brownface period.

Years produced: 1963
Made in: USA
Wattage: 18W
Channels: 2
Preamp tubes: 2× 12AX7
Power tubes: 2× 6V6

Tags: american, brownface, vintage, tremolo.

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.