Tube-number record
19GEP4A
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BrandRCA
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 450 mA
Construction
Primary TypeDisplay / CRT
EnvelopeGlass
Base MaterialPlastic
Sections1
Filament / Heater
Heater NotesHeater warm-up time approximately 11 seconds
Absolute Maximum Ratings
Plate Voltage23000 V
Grid 2 Voltage550 V
Grid 1 Voltage-155 V
H-C Voltage450 V
Audio Performance
Key Features
- PAN-O-PLY Type with Mounting Lugs
- No Ion-Trap Magnet Required
- Filterglass Faceplate
- Regular-Band External Conductive Coating
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode-Drive Service | 16000 V | — | — | — | — |
Application Notes
Voltages for cathode-drive service are positive with respect to grid No. 1. Peak heater-cathode voltage is 450V max during warm-up.
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