What tubes does the Peavey Classic 120 use?

The Peavey Classic 120 uses 4× 12AX7 preamp tubes and 4× 6L6 power tubes.

When was the Peavey Classic 120 produced?

The Peavey Classic 120 was produced 1980s–1990s.

Peavey Classic 120 preset

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

The Peavey Classic 120 is a 120W all-tube guitar amplifier head from Peavey's classic series, delivering American clean and crunch tones at higher power levels suitable for large stages.

Years produced: 1980s–1990s
Made in: USA
Wattage: 120W
Channels: 2
Preamp tubes: 4× 12AX7
Power tubes: 4× 6L6

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.