Tube-number record
19-114° CATHODE RAY TUBE
0 archive entries
19-114° CATHODE RAY TUBE is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand National Video Corporation, construction Display / CRT, socket CRT base (B7 family), and maximum plate voltage 23000 V. The archive does not yet hold a photographed example of this type.
BrandNational Video Corporation
ClassCathode Ray Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ-149-Al
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage23000 V
Grid 2 Voltage550 V
Grid 1 Voltage-154 V
H-C Voltage200 V
Audio Performance
Key Features
- Electrostatic focus
- Magnetic deflection
- Metal backed screen
- Straight gun (no ion trap)
- Aluminized P4 phosphor
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 20000 V | — | — | — | — |
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