842VHD

The 842HVD is an ultra-linear, low frequency, high power triode tube capable of producing 12-22 watts of pure class-A power. The 842HVD is designes for applications requiring 20 watts or more of class-A power.

Pure Class-A Power (watts): 12-22
Plate Voltage Average (Volts): 450
Plate Voltage Maximum (Volts): 600
Plate Current Average (mA): 100
Plate Current Maximum (mA): 150
Plate Dissipation Maximum (watts): 65
Transconductance (mA/V): 4.8
Grid Voltage: -95
Amplification Factor: 4.8
Plate Resistance (ohms): 700
Load Resistance (ohms) : 2000
THD (%) <0.1
Power Output (watts): 18
Filament Voltage (volts DC/AC): 5
Filament Current (A): 1.9