Tube-number record
24AUP4
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BrandRCA
ClassPicture Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialPlastic
Sections1
Filament / Heater
Warm-up Time5s
Heater NotesControlled warm-up time
Absolute Maximum Ratings
Plate Voltage20000 V
Grid 2 Voltage500 V
Grid 1 Voltage-140 V
H-C Voltage180 V
Audio Performance
Key Features
- Aluminized Screen
- Low-voltage Electrostatic Focus
- Magnetic Deflection
- No Ion-Trap Magnet required
- Filterglass faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grid-Drive Service | 18000 V | — | — | — | — |
| Cathode-Drive Service | 18000 V | — | — | — | — |
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