D12-120GH/109
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BrandPhilips
ClassInstrument Cathode-Ray Tube
Base14-pin all-glass
Filament6.3V @ 95mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular flat-faced
Base MaterialGlass
SectionsSingle-gun with mesh
Filament / Heater
Heater NotesIndirect heating by a.c. or d.c.; Not to be connected in series with other tubes.
Absolute Maximum Ratings
Plate Voltage11000 V
Grid 2 Voltage2200 V
Grid 1 Voltage-200 V
H-C Voltage100 V
Audio Performance
Key Features
- 12 cm diagonal rectangular face
- Mesh construction
- Metal-backed screen
- Internal graticule
- Electrostatic focusing
- Double electrostatic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard operation | 10000V | - | - | - | 0.01mA |
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