1400A
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BrandM-O Valve Co. Ltd.
ClassInstrument Cathode Ray Tube
BaseB12F
Filament6.3V @ 0.3mA
Construction
Primary TypeOscilloscope Tube
EnvelopeRectangular
SectionsSingle gun
Filament / Heater
Absolute Maximum Ratings
Plate Voltage7000 V
Grid 2 Voltage1750 V
Grid 1 Voltage-200 V
H-C Voltage150 V
Audio Performance
Key Features
- Spiral p.d.a.
- Rectangular flat face
- Single gun
- Full 8 x 10 cm display
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Oscilloscope | 4000V | - | - | - | - |
Application Notes
The tube may be mounted in any position but should not be supported by base alone. A suitable magnetic shield is recommended.
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