Tube-number record
24BEP4
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BrandRCA
ClassPicture Tube
BaseCRT base (B7 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeRectangular Glass
EnvelopeGlass
Base MaterialPlastic
Sections1
Filament / Heater
MaterialSulfide Type, Aluminized
Warm-up Time11s
Heater NotesVoltage range 5.3 to 6.9 V
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage550 V
Grid 1 Voltage-154 V
H-C Voltage200 V
Audio Performance
Key Features
- No ion-trap magnet required
- Aluminized screen
- Low-voltage electrostatic focus
- 110° Magnetic Deflection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cathode-Drive Service | 16000 V | — | — | — | — |
Application Notes
Cathode voltage for visual extinction of focused raster: 42 to 78 volts. Heater-cathode voltage during warm-up (15s max) can reach 450V.
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