Tube-number record
4499
0 archive entries
4499 is a tube type in the TubeDatabase archive (class: Oscillograph-Type Cathode-Ray Tube). Recorded specifications: brand RCA, year 1965, construction Display / CRT, base Special, socket Duodecal, and maximum plate voltage 2800 V. The archive does not yet hold a photographed example of this type.
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
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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