CRM 121
0 Tubes in archive
BrandMazda
ClassCathode Ray Tube
BaseMazda Octal
Filament2V @ 1.4mA
Construction
Primary TypeCathode Ray Tube
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesSeparate winding recommended; one end connected to cathode.
Absolute Maximum Ratings
Plate Voltage6000 V
Audio Performance
Key Features
- Magnetically focused
- Magnetically deflected
- Substantially black and white picture
- Benjamin Type Wafer Octal Holder
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Picture Reproduction | 5500V | - | - | - | - |
Application Notes
Recommended mean anode voltage not less than 5,000V for screen colour considerations. Safety glass should be used to protect against implosion. Keep rubber support at least 6 inches from the screen end of the internal black coating.
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