19EGP4
0 Tubes in archive
BrandNational Video Corporation
ClassCathode Ray Tube
BaseB7-208
Filament6.3V @ 450mA
Construction
Primary TypeMonochrome CRT
EnvelopeJ-149-F1
SectionsSingle
Filament / Heater
Warm-up Time11s
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage21000 V
Grid 2 Voltage60 V
H-C Voltage200 V
Audio Performance
Key Features
- Straight gun
- No ion trap required
- Filled rim implosion protection
- 4 3/8" neck length
- Electrostatic focus
- Magnetic deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000V | - | - | - | 0.1mA |
Application Notes
Individual tubes will have satisfactory focus at some value between 0 and +400 volts.
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