Tube-number record
20DP4B / 20DP4C
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BrandSYLVANIA
ClassTelevision Picture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage18000 V
Grid 2 Voltage410 V
Grid 1 Voltage-125 V
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized Screen
- Gray Filter Glass
- Direct Viewed
- Magnetic Focus
- Magnetic Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Recommended Operating Conditions | 16000 V | — | — | — | — |
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