Voltage Tetrode ·Tetrode
Power-amplifier tetrode for low-voltage Class A output service. Published operating data provide about 2.5 watts output from a 125-volt plate supply.
Power amplifier tetrode for low-voltage output service.
Small 6-contact
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
Electrical section extracted from approved source.
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.
Plate Voltage
125 V
ClassA
Screen Voltage
100 V
ClassA
Grid Voltage
-20 V
ClassA
Plate Current
56 mA
ClassA
Screen Current
9.5 mA
ClassA
Load Resistance
1500 ohm
ClassA
Power Output
2.5 W
ClassA
Data set 02
Published operating points and test conditions from this source.
HeaterVoltageNominal
30 V
Nominal
HeaterCurrentNominal
400 mA
Nominal
Maximum Plate Voltage
125 V
Maximum Screen Voltage
100 V
Maximum Cathode Current
65.5 mA
Transconductance
3900 µS
Typical
Data set 03
Published operating points and test conditions from this source.
Plate Voltage
125 V
ClassA
Screen Voltage
100 V
ClassA
Grid Voltage
-20 V
ClassA
Plate Current
56 mA
ClassA
Screen Current
9.5 mA
ClassA
Load Resistance
1500 ohm
ClassA
Power Output
2.5 W
ClassA