What tubes does the Fender Bassman Aa165 use?

The Fender Bassman Aa165 uses 3× 12AX7, 1× 12AT7 preamp tubes and 4× 6L6 power tubes.

When was the Fender Bassman Aa165 produced?

The Fender Bassman Aa165 was produced 1965–1967.

Fender Bassman Aa165 preset

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

The Bassman AA165 is the blackface Bassman head at 50 watts, built on the AB763 circuit family. Running four 6L6 output tubes, it delivers the tight, punchy clean tones of the blackface era in a compact head format.

Years produced: 1965–1967
Made in: USA
Wattage: 50W
Channels: 2
Preamp tubes: 3× 12AX7, 1× 12AT7
Power tubes: 4× 6L6

Tags: american, clean, blackface, 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.