27VP4
0 Tubes in archive
BrandNational Video Corporation
ClassCathode Ray Tube
BaseB6-63
Filament6.3V @ 600mA
Construction
Primary TypeCRT
EnvelopeGlass, rectangular
Sections1
Filament / Heater
Heater NotesPeak Heater-Cathode Voltage: 410V during warm-up, 180V operating
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage-140 V
H-C Voltage180 V
Audio Performance
Key Features
- Electrostatic focus
- Magnetic deflection
- 90 degree deflection angle
- Gray glass faceplate
- No ion-trap gun
- Metal backed screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operating Conditions | 16000V | - | - | - | 0.1mA |
Application Notes
Shielding of x-ray radiation may be necessary if the anode is operated in excess of 16,000 volts.
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