9LP7
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BrandGeneral Electric
ClassCathode-Ray Tube
BaseWafer Octal 8-Pin
Filament6.3V @ 600mA
Construction
Primary TypeCathode-Ray Tube
EnvelopeGlass
Base MaterialWafer
Sections1
Filament / Heater
Heater NotesAllowable variation +/- 10%
Absolute Maximum Ratings
Plate Voltage7700 V
Grid 2 Voltage330 V
H-C Voltage125 V
Audio Performance
Key Features
- Magnetic Focusing
- Magnetic Deflecting
- Long persistence screen (P7)
- Metal bulb contact
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Operation 1 | 4000V | - | - | - | 0.5mA |
| Operation 2 | 4000V | - | - | - | 0.5mA |
| Operation 3 | 7000V | - | - | - | 0.5mA |
| Operation 4 | 7000V | - | - | - | 0.5mA |
Application Notes
The center of the undeflected, unfocused spot will fall within a circle of 18mm radius. Cutoff voltage is defined as visual extinction of a stationary focused spot.
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