Univox U45 preset

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

The Univox U-45 is a 45-watt solid-state guitar combo from Univox's mid-range catalog, balancing portability and adequate stage volume for small to medium gigs. It delivered reliable performance at an accessible price for working guitarists throughout the 1970s.

• Years produced: late 1960s–1970s
• Made in: USA
• Wattage: 45W
• Channels: 2

Tags: american, vintage, solid-state.

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.