Tube-number record
21AVP4-B/21AVP4-A
0 archive entries
21AVP4-B/21AVP4-A is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand General Electric, year 1956, construction Electrostatic Focus, Magnetic Deflection, base Plastic, socket Duodecal, and maximum plate voltage 20000 V. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassCathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeElectrostatic Focus, Magnetic Deflection
EnvelopeJ171F Glass
Base MaterialPlastic
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage20000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 16000 V | — | — | — | — |
Application Notes
The 21AVP4-B/21AVP4-A is an electrostatic-focus and magnetic-deflection, direct-view all-glass picture tube for television applications. It provides the same large 19 1/4 by 15-inch picture area as do 21-inch 90-degree deflection tubes.
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