Tube-number record
19
0 archive entries
19 is a tube type in the TubeDatabase archive (class: Twin High-Mu Triode Class B Power Amplifier). Recorded specifications: brand RCA, construction Triode, socket 6-pin, and maximum plate voltage 135 V. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassTwin High-Mu Triode Class B Power Amplifier
Base6-pin
Construction
Primary TypeTriode
EnvelopeST-12
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage135 V
Cathode Current50 mA
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B (Negative Bias) | 135 V | — | — | — | 0.5 mA |
| Class B (Negative Bias) | 135 V | — | — | — | 2 mA |
| Class B (Zero Bias) | 135 V | — | — | — | 5 mA |
Application Notes
The triode units have separate external terminals for all electrodes except the filaments. It can be operated with zero grid bias or negative grid bias to conserve battery drain.
Datasheets
Datasheet: 19.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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