21ARP4
0 Tubes in archive
BrandGeneral Electric
ClassCathode-Ray Tube
BaseSmall-Shell Duodecal 5-Pin (B5-57)
Filament6.3V @ 600mA
Construction
Primary TypeMagnetic-focus and magnetic-deflection
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesHeater Current: 0.6 +/- 10% Amperes
Absolute Maximum Ratings
Plate Voltage20000 V
Plate Dissipation6 W
Grid 2 Voltage500 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- 70-degree deflection angle
- Built-in magnetic focusing unit
- Built-in ion-trap magnet
- Gray faceplate
- External conductive coating
- Rectangular face shape
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical | 16000V | - | - | - | - |
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