What tubes does the Ampeg Vt120 Amp use?

The Ampeg Vt120 Amp uses 3× 12AX7 preamp tubes and 4× 6L6 power tubes.

When was the Ampeg Vt120 Amp produced?

The Ampeg Vt120 Amp was produced 1991–1996.

Ampeg Vt120 Amp preset

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

The VT-120 amplifier document covers the complete circuit of Ampeg's 120-watt tube guitar combo from the early 1990s. Two channels provide clean headroom and driven tones from the four-6L6 output section. The VT-120 represents Ampeg's return to serious guitar amplifier production after focusing primarily on bass.

Years produced: 1991–1996
Made in: USA
Wattage: 120W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 4× 6L6

Tags: guitar, american, modern, mid-wattage, clean, drive.

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.