Preamps
Heating voltage: 12.6V
Heating current: 0.3A
Plate voltage: 250V
Gate voltage: -8V
Board resistance: 7.7 kilo ohms
Board current: 9mA
Magnification: 20

Maximum board voltage: 300V
Minimum gate voltage: -50V
Maximum gate voltage: 0V
Maximum board power consumption: 2.5W

Maximum power per channel: No power supply