Ampeg SVT-200T / SVT-350T Preamp - Main preset
Close · 78/100 confidence. Most values readable. Minor gaps filled by inference from similar circuits.
Third page of the combined Ampeg SVT-2 Pro and SVT-CL schematic set, likely addressing the power supply, output transformer secondary loading, or bias regulation circuits. Both the SVT-2 Pro and SVT-CL employ a substantial multi-section power supply capable of sustaining six 6550A tubes at full output power into varying impedance loads. Proper power supply function is critical to maintaining the SVT's characteristic dynamic headroom and thermal stability during high-volume performance.
- Years produced: 1991–present
- Made in: USA
- Wattage: 300W
- Power tubes: 6× 6550A
Tags: american.
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.