What tubes does the Mesa Boogie Boogie Studiopreamp use?

The Mesa Boogie Boogie Studiopreamp uses 7× 12AX7 preamp tubes.

When was the Mesa Boogie Boogie Studiopreamp produced?

The Mesa Boogie Boogie Studiopreamp was produced 1986–2000.

Mesa Boogie Boogie Studiopreamp preset

Close · 60/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The Studio Preamp is Mesa Boogie's four-channel rack-mount preamp designed for studio and live use, offering a comprehensive range of tones from clean to lead in a single chassis. Its multiple independent channels with separate gain and EQ controls made it a flexible tool for session guitarists and touring professionals who needed quick access to diverse tones. It helped establish Mesa Boogie as a serious contender in the professional rack-gear market of the late 1980s.

Years produced: 1986–2000
Made in: USA
Channels: 4
Preamp tubes: 7× 12AX7

Tags: american, crunch, high-gain.

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.