Tube-number record
19JN8
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BrandGeneral Electric
ClassTriode-Pentode
BaseNoval (B9A)
Filament18.9 V @ 150 mA
Construction
Primary TypeMulti-section
EnvelopeT-6 1/4
Base MaterialGlass
Sections2
Filament / Heater
Heater NotesSeries heater operation
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation2.5 W
Grid 2 Voltage300 V
H-C Voltage200 V
Audio Performance
Key Features
- Sharp-cutoff pentode
- Medium-mu triode
- Miniature tube
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode Section | 125 V | 7500 | 200000 | — | 12 mA |
| Triode Section | 125 V | 8500 | 5400 | 46 | 13.5 mA |
Datasheets
Datasheet: 19JN8.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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