Tube-number record
2053
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BrandRCA
ClassDisplay-Storage Tube
BaseDiheptal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
Envelope5-inch Glass with Integral Magnetic Shield
Base MaterialMedium-Shell Diheptal 14-Pin (B14-38)
SectionsDual-gun (Writing and Viewing)
Filament / Heater
Heater NotesBoth guns (Writing and Viewing) use 6.3V heaters.
Absolute Maximum Ratings
Plate Voltage10500 V
Grid 2 Voltage135 V
H-C Voltage125 V
Audio Performance
Key Features
- Ruggedized Construction
- Integral Magnetic Shield
- One Writing Gun
- One Viewing Gun
- High Brightness (1900 footlamberts typical)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard View | 10000 V | — | — | — | — |
Application Notes
To prevent damage, allow viewing-gun beam current to reach normal operating value before turning on writing-gun beam current.
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