OB3Squared modifications
I love my OB3Squared Hammond clone. The only really
annoying thing was the external power supply. So I
decided to modify the OB3 to have an internal one. And
while I was at it, I have also installed an original
Hammond halfmoon switch to control the Hughes&Kettner
Rotosphere
PCB after disassembly
Cover
Base with keyboard
Base with keyboard
Fitted halfmoon switch
Top
Corner cut out to make place for the power connector
Transformer base
PCB with connected wires
PCB placed back onto base
Power connector plate
Assembled