Peavey Audition 20 preset

Verified · 92/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Peavey Audition 20 is a small solid-state practice amp from 1983, built around a TDA2030 power IC driving a 3.2-ohm speaker. Its single channel has a 4558 op-amp preamp with a Pre gain control and diode clipping, a pull Sat switch for extra distortion, High, Mid and Low tone controls with a pull Thick switch for more body, and a Post volume. It adds a preamp out and headphone jack, and can run from a 12-18 V DC input as well as the mains.

Tags: american, solid-state, practice, low-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.