Voltage - Triode (single high frequency) ·Triode
Low-frequency amplifying triode intended primarily for transformer coupling, also usable as a detector following one or more high-frequency stages.
Primarily a low-frequency amplifying valve for transformer coupling; may also be employed as a detector after one or more H.F. stages.
European 4-pin 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
Promoted values mapped from printed rating/approximate-data tables; additional operating points and capacitances 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.
Published operating data
See source
Operating curves/table are present on the approved one-page source; values not promoted unless unambiguous in searchable text.
Data set 02
Published operating points and test conditions from this source.
Typical Anode Voltage
100 V
Typical Grid Bias
-1.5 V