Tube-number record
C9B
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BrandBRIMAR
ClassMagnetic Teletube
BaseOctal
Filament2 V @ 2500 mA
Construction
Primary TypeDisplay / CRT
EnvelopeAluminized Screen
SectionsSingle
Filament / Heater
Warm-up Time15s
Heater NotesPeak Heater to Cathode Potential 250V max during warm-up only.
Absolute Maximum Ratings
Plate Voltage8000 V
Cathode Current0.15 mA
H-C Voltage150 V
Audio Performance
Key Features
- Replacement Type
- Aluminized Screen
- Magnetic Focusing
- Magnetic Scanning
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 7000 V | — | — | — | — |
Application Notes
Heater negative with respect to Cathode and only during warm-up period of 15 secs. maximum duration for 250V peak potential rating.
Datasheets
Datasheet: C9B.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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