Davoli 8063P Professional - Guitar preset

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

The Davoli 8063P Professional is a hybrid amp with a transistor preamp for its Guitar and Bass inputs, passive tone controls and lamp-based vibrato. The tube power section uses two ECC82s as gain stage, split-load inverter and drivers into a pair of fixed-bias EL34s.

Tags: italian, vintage, hybrid, el34, vibrato.

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.