21DAP4
0 Tubes in archive
BrandRadio Valve Company Limited
ClassCathode Ray Tube
BaseB7-183
Filament6.3V @ 0.6mA
Construction
Primary TypeCRT
EnvelopeGlass
Sections1
Filament / Heater
Heater NotesHeater warm-up time is 11 seconds
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage500 V
Grid 1 Voltage-140 V
H-C Voltage180 V
Audio Performance
Key Features
- Rectangular all glass picture tube
- Aluminized fluorescent screen
- Straight type electron gun (no ion-trap magnet)
- Gray faceplate
- External conductive coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Condition 1 | 14000V | - | - | - | - |
| Condition 2 | 16000V | - | - | - | - |
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