Challenger CH30 ??

[GuitarRock04]

OT Pinout

For the Bogen CH30 output transformer, the pinout is as follows:

Pin 1: Secondary common ground
Pin 2: 16 ohm secondary output
Pin 3: Primary top, to plate of output tube 1
Pin 4: Primary center tap, to high voltage supply
Pin 5: Primary bottom, to plate of output tube 2
Pin 6: 70v secondary output
Pin 7: 4 ohm secondary output
Pin 8: 8 ohm secondary output

[brokennarsil]

awesome! this is very useful! I wish I knew more about these things so I could help you out. alas, I'm still trying to learn...

[GuitarRock04]

PT pinout

For the T365-1A power transformer from the Bogen Challenger CH30, the pinout is as follows:

Pin 1: Primary, to mains
Pin 2: High voltage secondary
Pin 3: Primary, to mains
Pin 4: High voltage secondary center tap, to ground
Pin 5: 6.3V secondary, to heaters
Pin 6: High voltage secondary
Pin 7: 6.3V secondary center tap, to ground
Pin 8: 5V secondary, to rectifier
Pin 9: 6.3V secondary, to heaters
Pin 10: 5V secondary, to rectifier

As stated above, with 116V at the wall, the Hi V secondary gives 412-0-412.

[brokennarsil]

thanks very much for this info. it will help greatly in my build. i hope yours turns out well!