5F6A Bassman Thermal Image
Posted: Thu May 14, 2015 9:27 am
I have a Seek Thermal Imaging camera for my Android phone so I thought I'd take a pic of the 5F6A '59 Bassman chassis at idle temperature so we can see what's hot and what's not. I was surprised to see the power tubes are hotter than the rectifier tube.

1. V1 Load Resistors. 2. V2B Cathode Resistor. 3. Socket mounted V2A Load Resistor. 4. B+4 Voltage Dropping Resistor. 5. Phase Inverter Load Resistors. 6. B+3 Voltage Dropping Resistor. 7. Pilot Light. 8. Rectifier Socket mounted Backup Diodes and .01uF 3KV disk capacitor.


1. V1 Load Resistors. 2. V2B Cathode Resistor. 3. Socket mounted V2A Load Resistor. 4. B+4 Voltage Dropping Resistor. 5. Phase Inverter Load Resistors. 6. B+3 Voltage Dropping Resistor. 7. Pilot Light. 8. Rectifier Socket mounted Backup Diodes and .01uF 3KV disk capacitor.
