What tubes does the Music Man Music Man Gd 2A use?

The Music Man Music Man Gd 2A uses 2× 12AX7 preamp tubes.

When was the Music Man Music Man Gd 2A produced?

The Music Man Music Man Gd 2A was produced 1976–1982.

Music Man Music Man Gd 2A preset

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

The Music Man GD-2A was a mid-powered guitar combo featuring Music Man's clean hybrid circuit with a tube preamp and solid-state power section. It offered warm American clean tone with built-in reverb in a practical, reliable package.

Years produced: 1976–1982
Made in: US
Wattage: 75W
Channels: 2
Preamp tubes: 2× 12AX7

Tags: american, vintage, clean.

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.