What tubes does the Fender Vibrasonic 6G13A use?

The Fender Vibrasonic 6G13A uses 3× 12AX7 preamp tubes and 4× 6L6 power tubes.

When was the Fender Vibrasonic 6G13A produced?

The Fender Vibrasonic 6G13A was produced 1961–1963.

Fender Vibrasonic 6G13A preset

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

The Vibrasonic 6G13A is a brownface-era 1×15 combo producing 40 watts through four 6L6 output tubes. Designed for players wanting a high-powered single-speaker combo with the warmth of a 15-inch driver, it combines the brownface circuit with an extended-range speaker for full-bodied clean tone.

Years produced: 1961–1963
Made in: USA
Wattage: 40W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 4× 6L6

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.