Tube-number record
12BAP4
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BrandHitachi
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
Envelope12-inch Rectangular Glass
Sections1
Filament / Heater
Heater NotesHeater warm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage14000 V
Grid 2 Voltage550 V
Grid 1 Voltage-154 V
H-C Voltage200 V
Audio Performance
Key Features
- 110° Deflection
- Squared Corner Type
- Aluminized Screen
- No Ion Trap Magnet Required
- Short Electron Gun
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 10000 V | — | — | — | 0.1 mA |
| Cathode Drive Service | 10000 V | — | — | — | 0.1 mA |
Application Notes
X-ray radiation shielding may be necessary if operated higher than 14,000 Volts or 16,000 Volts.
Datasheets
Datasheet: 12BAP4.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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