Tube-number record
CRM 71
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BrandMazda
ClassCathode Ray Tube
BaseOctal
Filament2 V @ 1400 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage4000 V
Audio Performance
Key Features
- Magnetically focussed
- Magnetically deflected
- 7-inch screen
- Substantially black and white picture
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 3500 V | — | — | — | — |
Application Notes
Recommended anode voltage of 3,500V. Protective resistance of 25,000 ohms required between anode and H.T. supply. Heater supply should be provided by a separate winding. Tube should be handled with care to avoid implosion; safety glass and goggles recommended during handling.
Datasheets
Datasheet: CRM71.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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