SWR Workingman's 4004 preset

Verified · 86/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Workingman's 4004 is a solid-state SWR bass combo from the Workingman's series. A transistor preamp with gain, the Aural Enhancer and a DI output drives SWR's power amp module, offering the brand's clean, articulate tone in an all-solid-state package.

Tags: american, bass, solid-state, clean.

Schematic-derived preset files for the Neural DSP Quad Cortex and 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.