: Some leaked or partial service manuals exist on document-sharing platforms like
If your amp hums or blows fuses, ignore the Infinium board. The power section is a standard 100W Plexi variant (4x EL34). You can use a schematic for the high-voltage side. The transformers are the same topology. bugera 1960 infinium schematic cracked
Behringer (Bugera’s parent company) is famously litigious. They treat their Infinium biasing logic as a trade secret. Unlike a vintage Fender or Marshall (where schematics are public domain), the 1960 Infinium uses an ST Microelectronics microcontroller to manage the cathode current. : Some leaked or partial service manuals exist