Tube-number record
17DRP4
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BrandPhilco
ClassTelevision Picture Tube
BaseCRT base (B7 family)
Filament2.68 V @ 0.45 mA
Construction
Primary TypeElectrostatic Focus, Magnetic Deflection
EnvelopeW132/4A1
Sections1
Filament / Heater
Warm-up Time11s
Heater NotesControlled warm-up time for series string applications
Absolute Maximum Ratings
Plate Voltage17600 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage200 V
Audio Performance
Key Features
- Internal magnetic shielding
- Short neck length
- No ion trap magnet required
- Metal backed screen
- Straight through leads
- Low heater power
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid Drive Service | 14000 V | — | — | — | — |
| Cathode Drive Service | 14000 V | — | — | — | — |
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