What tubes does the Fender Vibrochamp Ab764 use?

The Fender Vibrochamp Ab764 uses 1× 12AX7 preamp tubes and 1× 6V6 power tubes.

When was the Fender Vibrochamp Ab764 produced?

The Fender Vibrochamp Ab764 was produced 1968–1982.

Fender Vibrochamp Ab764 preset

Close · 75/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Vibro Champ AB764 is the silverface version of the Vibro Champ — a 5-watt single-6V6 combo with optical tremolo and the CBS silverface cosmetics. Functionally similar to the blackface AA564, it remains a popular recording and practice amp.

Years produced: 1968–1982
Made in: USA
Wattage: 5W
Channels: 1
Preamp tubes: 1× 12AX7
Power tubes: 1× 6V6

Tags: american, clean, silverface, vintage, tremolo, recording.

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.