Tube-number record
VTP 7L
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BrandVacuum Tube Products
ClassCathode Ray Tube
BaseOctal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic/Metal
Sections1
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage410 V
Grid 1 Voltage-125 V
H-C Voltage125 V
Audio Performance
Key Features
- Electromagnetic deflection
- Electrostatic focus
- Zero focus voltage type
- Metal backed screen
- High quality optical glass face plate
- Freedom from ion burns
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 12000 V | — | — | — | — |
Application Notes
The VTP 7L tube operates from power supplies that are dangerous. Circuit resistance values are recommended as a safety measure.
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