Power - Triode ·Triode
Water-cooled high-power Western Electric transmitting triode for Class-B RF service.
Water-cooled high-power transmitting triode for Class B RF service.
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
Promoted fields populated from explicitly published ratings/characteristics; service-specific 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.
HeaterOrFilamentVoltage
27 V
HeaterOrFilamentCurrent
225 A
Typical Plate Voltage
18000 V
ClassB;RF
Typical Power Output
25000 W
ClassB;RF
Data set 02
Published operating points and test conditions from this source.
and [1]
11 A
and 11 amperes apply at frequencies up to 4 mc/sec; opera- are exhausted by a straight-line, high-voltage process assuring
and [2]
4 A
and 11 amperes apply at frequencies up to 4 mc/sec; opera- are exhausted by a straight-line, high-voltage process assuring
tion at
20 mA
tion at 20 mc/sec is permissible with plate voltage reduced the same high standards as characterize the Machlett line of
to
12 kV
to 12 kVdc. high- and super-voltage x-ray tubes.
Filament Voltage [1]
27
Filament Voltage ........................................... 27 27 vols
Filament Voltage [2]
27
Filament Voltage ........................................... 27 27 vols
Filament Current at [1]
27 V
Filament Current at 27 volts .................................. 225 225 amperes
Filament Current at [2]
225 V
Filament Current at 27 volts .................................. 225 225 amperes
Filament Current at [3]
225 V
Filament Current at 27 volts .................................. 225 225 amperes
Filament Starting Current [1]
340
Filament Starting Current 340 340 ampercs
Filament Starting Current [2]
340
Filament Starting Current 340 340 ampercs
Filament Cold Resistance [1]
96 ohm
Filament Cold Resistance ........... 0096 .0096 ohms
Filament Cold Resistance [2]
96 ohm
Filament Cold Resistance ........... 0096 .0096 ohms
Amplification Facror [1]
32
Amplification Facror ... 32 57.5
Amplification Facror [2]
57.5
Amplification Facror ... 32 57.5
Grid-Plate Transconductance [1]
22000 uS
Grid-Plate Transconductance 22000 20000 uMhos
Grid-Plate Transconductance [2]
20000 uS
Grid-Plate Transconductance 22000 20000 uMhos
Direct Plate Voltage ..o
20000 V
Direct Plate Voltage ..o . 20000 volts
Plate DissiPation . ... i
100000
Plate DissiPation . ... i 100000 wates