Ceriatone Dupa Verb 20W preset

Verified · 85/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The AB764 Dupa Verb 20W is Ceriatone's take on Fender's blackface Deluxe Reverb, built as a single-channel amp: Hi and Lo inputs feed volume, treble, middle and bass, with tube-driven spring reverb plus reverb and dwell controls; there is no vibrato. Two 12AX7s and two 12AT7s drive two 6V6GTs. Switches select GZ34 or solid-state rectification, fixed or cathode bias, bright, boost, mid cap and feedback amount.

Tags: blackface, 6v6, reverb, boutique, mid-wattage.

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.