Power - Pentode (NOT beam) ·Pentode
Series-string audio power pentode with a 40 V heater and published output operation around 135–160 V.
Series-string power pentode with a 40 V heater and published 135 V and 160 V output operating points.
British/European 7-pin
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 Brimar values promoted where applicable; additional 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.
Plate Voltage
160 V
Plate Current
33 mA
Screen Voltage
120 V
Screen Current
6.5 mA
Control Grid Voltage
-15 V
Cathode Bias Resistor
440 ohm
Optimum Load
5000 ohm
Power Output
2.2 W
Plate Resistance
42000 ohm
Transconductance
2400 µS
Data set 02
Published operating points and test conditions from this source.
Application
Power output