What tubes does the Fender Pro Tube2 use?

The Fender Pro Tube2 uses 3× 12AX7 preamp tubes and 2× 6L6 power tubes.

When was the Fender Pro Tube2 produced?

The Fender Pro Tube2 was produced 1987–1995.

Fender Pro Tube2 preset

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

The Pro Tube 2 is an alternate schematic document for Fender's Red Knob-era Pro Tube amp. The 60-watt, dual-6L6 two-channel format with the Red Knob cosmetics and switchable overdrive is consistent.

Years produced: 1987–1995
Made in: USA
Wattage: 60W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 2× 6L6

Tags: american, clean, overdrive, modern.

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.