Tube-number record
MB22-75
0 Tubes in archive
BrandMullard
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
Envelope9-in. diameter flat-faced metal-backed screen
SectionsSingle
Filament / Heater
Heater NotesIndirectly heated; Suitable for series or parallel operation
Absolute Maximum Ratings
Plate Voltage15500 V
Grid 1 Voltage-200 V
Cathode Current0.15 mA
H-C Voltage150 V
Audio Performance
Key Features
- Metal-backed screen
- Magnetic focusing
- Double magnetic deflection
- Flat-faced
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| P.P.I. applications | 15000 V | — | — | — | — |
Application Notes
Mounting position: Any, except vertical with screen downwards and the axis of the tube making an angle of less than 20 degrees with the vertical.
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