Voltage - Triode (single) ·Triode
Directly heated power-amplifier triode, co-designated with type 183, providing about 1.8 watts Class-A output in published operation.
Co-designation of the 183 power amplifier triode on the supplied Sylvania sheet.
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 from printed maximum-rating/characteristic columns; additional published values retained in TUBE_SECTION_PARAMETER.
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 Resistance
1750 ohm
Transconductance
1700 µS
Amplification Factor
3
Plate Voltage
250 V
Grid Voltage
-60 V
Plate Current
30 mA
Load Impedance
5000 ohm
Power Output
1.8 W
Data set 02
Published operating points and test conditions from this source.
Plate Voltage
250 V
ClassA
Grid Voltage
-60 V
ClassA
Plate Current
30 mA
ClassA