19CHP4
0 Tubes in archive
BrandSYLVANIA
ClassTelevision Picture Tube
BaseB7-208
Filament6.3V @ 600mA
Construction
Primary TypeCRT
EnvelopeJ149A
SectionsSingle
Filament / Heater
Heater NotesHeater warm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage70 V
H-C Voltage200 V
Audio Performance
Key Features
- Electrostatic Focus
- Magnetic Deflection
- Aluminized Screen
- No Ion Trap
- Low Grid No. 2 Voltage
- Gray Filter Glass
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode Drive Service | 16000V | - | - | - | - |
Application Notes
X-ray radiation shielding may be necessary if operated higher than 16,000 volts. External conductive coating must be grounded.
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