What tubes does the Music Man 1650Rd use?

The Music Man 1650Rd uses 2× 12AX7 preamp tubes.

When was the Music Man 1650Rd produced?

The Music Man 1650Rd was produced 1974–1982.

Music Man 1650Rd preset

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

The Music Man 1650-RD was a professional head-and-cabinet configuration featuring reverb and distortion, extending the tonal options beyond the standard clean platform. It provided the clean headroom and warm hybrid tone Music Man was known for, with added gain staging for more versatile playing.

Years produced: 1974–1982
Made in: US
Wattage: 65W
Channels: 2
Preamp tubes: 2× 12AX7

Tags: american, vintage, clean, crunch.

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.