Power - Triode (over 1000V 100W) ·Triode
Large transmitting triode for RF and Class B audio power service. Rated for 750 W plate dissipation and 3 kV plate voltage, with a two-tube Class B stage capable of approximately 1.1 kW audio output.
High-power transmitting triode for RF and audio-frequency power service.
Jumbo 3-contact transmitting-tube base
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Published ratings and characteristics promoted where directly established; remaining useful published data retained as parameters.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
HeaterVoltageNominal
11 V
Nominal
HeaterCurrentNominal
15.5 A
Nominal
Maximum Plate Voltage
3000 V
Maximum Plate Dissipation
750 W
MaximumAFPowerOutputTwoTubes
1100 W
ClassB; two tubes
Amplification Factor
20.5
Typical
Data set 02
Published operating points and test conditions from this source.
Grid to Plate
47 pF
Published average direct interelectrode capacitance
Filament voltage
11 V
Nominal general rating
Filament current
15.5 A
Nominal general rating
Data set 03
Published operating points and test conditions from this source.
HeaterOrFilamentVoltage
11 V
HeaterOrFilamentCurrent
15.6 A