Tube-number record
17QP4B
0 archive entries
17QP4B is a tube type in the TubeDatabase archive (class: Picture Tube). Recorded specifications: brand Radio Corporation of America (RCA), year 1963, construction Display / CRT, base Plastic, socket Duodecal, and maximum plate voltage 20000 V. The archive does not yet hold a photographed example of this type.
BrandRadio Corporation of America (RCA)
ClassPicture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesHeater warm-up time: 11 seconds
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage550 V
H-C Voltage200 V
Audio Performance
Key Features
- Aluminized Screen
- Magnetic Focus
- Magnetic Deflection
- Filterglass Faceplate
- No Ion-Trap Magnet Required
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid-Drive Service | 14000 V | — | — | — | — |
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