What tubes does the Fender Showmanreverb Aa768 use?

The Fender Showmanreverb Aa768 uses 4× 12AX7, 1× 12AT7 preamp tubes and 2× 6L6 power tubes.

When was the Fender Showmanreverb Aa768 produced?

The Fender Showmanreverb Aa768 was produced 1968–1974.

Fender Showmanreverb Aa768 preset

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

The Showman Reverb AA768 (alternate designation) is the same silverface Showman Reverb at 85 watts with spring reverb. Identical to the showman_reverb_aa768 entry.

Years produced: 1968–1974
Made in: USA
Wattage: 85W
Channels: 2
Preamp tubes: 4× 12AX7, 1× 12AT7
Power tubes: 2× 6L6

Tags: american, clean, silverface, high-wattage, reverb, 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.