What tubes does the Fender 86Redknob Dualshowman use?

The Fender 86Redknob Dualshowman uses 4× 12AX7 preamp tubes and 4× 6L6 power tubes.

When was the Fender 86Redknob Dualshowman produced?

The Fender 86Redknob Dualshowman was produced 1986–1994.

Fender 86Redknob Dualshowman preset

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

The Red Knob Dual Showman is the same 100-watt Red Knob-era head. Its clean and drive channels with four 6L6 output tubes made it a powerful gigging tool for professional players in the late 1980s.

Years produced: 1986–1994
Made in: USA
Wattage: 100W
Channels: 2
Preamp tubes: 4× 12AX7
Power tubes: 4× 6L6

Tags: american, clean, overdrive, high-wattage, 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.