Welcome. I own and maintain a 1000s and Sonaro so I have posted some info here for other Sunn owners.



Mark Desaulniers SUNN Page
Sunn 1000s 1200s 2000s solid state diode mod Chassis Photo

Sunn 2000s Schematic

Sunn 2000s power supply Schematic (replacement power trans)

Sunn Sonaro Schematic

Sunn Sonaro Chassis Photo

Audio Related Links, Circuit diagrams, & Helpfull tools

Search Engines