What tubes does the Kitty Hawk Custom Preamp use?

The Kitty Hawk Custom Preamp uses 4x 12AX7 preamp tubes.

When was the Kitty Hawk Custom Preamp produced?

The Kitty Hawk Custom Preamp was produced 1985–1992.

Kitty Hawk Custom Preamp preset

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

The Kitty Hawk Custom Preamp is a rack-mount tube preamplifier unit built for professional players needing flexible tone-shaping in a studio or live rack system. It features multiple gain stages with switchable voicings, covering clean, crunch, and lead tones from a single unit. The Custom Preamp reflects Kitty Hawk's Texas roots — articulate and dynamic, with a slight mid-cut American character.

Years produced: 1985–1992
Made in: USA
Preamp tubes: 4x 12AX7

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.