Tube-number record
C12B
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BrandInternational
ClassMagnetic Teletube
BaseOctal
Filament2 V @ 2.5 mA
Construction
Primary TypeOther / special
EnvelopeAluminized Screen
Filament / Heater
Heater NotesPeak Heater to Cathode potential: 150V; Warm-up period 15 secs max.
Absolute Maximum Ratings
Plate Voltage12000 V
Cathode Current15 mA
H-C Voltage150 V
Audio Performance
Key Features
- Aluminized Screen
- Magnetic Focusing
- Replacement Type
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Characteristics | 10000 V | — | — | — | — |
Datasheets
Datasheet: C12B.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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