Tube-number record
D14-12
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BrandPhilips
ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular flat faced
Base MaterialGlass
Sections1
Filament / Heater
Heater NotesIndirect by A.C. or D.C.; parallel supply
Absolute Maximum Ratings
Plate Voltage11000 V
Grid 2 Voltage1650 V
Grid 1 Voltage200 V
Audio Performance
Key Features
- 14 cm diagonal
- Rectangular flat face
- Mesh
- Metal backed screen
- Electrostatic focusing
- Double electrostatic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 10kV Operation | 10000 V | — | — | — | — |
Application Notes
The tube should not be supported by the base alone and under no circumstances should the socket be allowed to support the tube. Low impedance deflection plate drive is desirable.
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