Tube-number record
9LP7
0 archive entries
BrandGeneral Electric
ClassCathode-Ray Tube
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
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 | 4000 V | — | — | — | 0.5 mA |
| Operation 2 | 4000 V | — | — | — | 0.5 mA |
| Operation 3 | 7000 V | — | — | — | 0.5 mA |
| Operation 4 | 7000 V | — | — | — | 0.5 mA |
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.
Datasheets
Datasheet: 9LP7.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
0 results