Ampeg SVT-8PRO SM Power Supply - Main preset

Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.

The SVT-8PRO SM Power Supply schematic documents the switching power supply section of Ampeg's flagship modern bass head. The Main power supply provides regulated voltages for both the tube preamp and solid-state power sections. A key reference for technicians diagnosing power supply issues in the SVT-8PRO.

• Years produced: 2010s
• Made in: USA
• Channels: 1

Tags: bass, american, modern, high-wattage, hybrid.

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.