Valco Supreme Model 510-1.B - Instruments preset

Verified · 82/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The National-Dobro Supreme Model 510-1.B is an early Valco design in the 510 series, featuring instrument and microphone inputs for dual-purpose use. The 510 series was among Valco's most broadly distributed circuit families, appearing under multiple brand names across catalog and music store channels. This model captures the essential character of early American amplifier design in its simplest and most musical form.

Tags: american, vintage.

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.