Tube-number record
4499
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BrandRCA
ClassOscillograph-Type Cathode-Ray Tube
BaseDuodecal
Filament6.3 V @ 600 mA
Construction
Primary TypeDisplay / CRT
EnvelopeJ42
Base MaterialSpecial
Sections1
Filament / Heater
Heater NotesPeak Heater-Cathode Voltage: 125V max
Absolute Maximum Ratings
Plate Voltage2800 V
Grid 2 Voltage2800 V
Grid 1 Voltage-200 V
H-C Voltage125 V
Audio Performance
Key Features
- Electrostatic Deflection
- Electrostatic Focus
- 5-in Diameter
- P1 Phosphor
- Flat, Circular Faceplate
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard | 2200 V | — | — | — | — |
Application Notes
For general oscillographic applications in which recurrent-wave phenomena are to be observed. DJ1 and DJ2 are nearer the screen; DJ3 and DJ4 are nearer the base.
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