Tube-number record
30
0 archive entries
30 is a tube type in the TubeDatabase archive (class: General Purpose Triode). Recorded specifications: construction Triode, socket 4-pin, and maximum plate voltage 180 V. The archive does not yet hold a photographed example of this type.
ClassGeneral Purpose Triode
Base4-pin
Construction
Primary TypeTriode
EnvelopeST-12
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage180 V
Audio Performance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 90 V | 850 | 11000 | 9.3 | 2.5 mA |
| Class A Amplifier | 135 V | 900 | 10300 | 9.3 | 3.1 mA |
| Class A Amplifier | 180 V | 900 | 10300 | 9.3 | 3.1 mA |
Datasheets
Datasheet: 30.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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