7BGP-
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BrandDu Mont
ClassCathode-Ray Tube
BaseB14-38
Filament6.3V @ 600mA
Construction
Primary TypeElectrostatic CRT
Envelope7-inch, flat face clear glass
Base MaterialMedium Shell Diheptal 14-pin
SectionsSingle beam
Filament / Heater
Heater NotesHeater current 0.6A +/- 10%
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation6 W
Grid 1 Voltage-200 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic focus
- Electrostatic deflection
- Linear post accelerator
- Flat faceplate
- High deflection sensitivity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 (Eb2=2000V) | 1000V | - | - | - | 0.0035mA |
| Condition 2 (Eb2=4000V) | 1000V | - | - | - | 0.0105mA |
Application Notes
Recommended that deflecting-electrode circuit resistances be approximately equal. Maximum grid No. 1 circuit resistance is 1.5 Megohms.
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