What tubes does the Music Man 2475 75 2275 75 use?

The Music Man 2475 75 2275 75 uses 2× 12AX7 preamp tubes.

When was the Music Man 2475 75 2275 75 produced?

The Music Man 2475 75 2275 75 was produced 1977–1984.

Music Man 2475 75 2275 75 preset

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

The Music Man 2475-75 and 2275-75 were mid-powered combos offering 75 watts of clean, warm American tone in Music Man's later series. They were positioned to offer extra headroom over the standard 65-watt models for players who performed on larger stages.

Years produced: 1977–1984
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.