Fender Pro Junior Projunior Lo preset

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

The Pro Junior Lo is an alternate layout document for the Pro Junior. The same 15-watt, dual-EL84 circuit with minimal controls and natural breakup character applies.

• Years produced: 1994–present
• Made in: USA
• Wattage: 15W
• Channels: 1
• Preamp tubes: 2× 12AX7
• Power tubes: 2× EL84

Tags: american, clean, breakup, 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.