Tube-number record
4618
0 archive entries
4618 is a tube type in the TubeDatabase archive (class: Beam Power Tube). Recorded specifications: brand RCA, year 1967, construction Beam tetrode / beam power, base Metal, socket Coaxial, maximum plate voltage 3000 V, and maximum plate dissipation 1500 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassBeam Power Tube
BaseCoaxial
Filament5.5 V @ 17300 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeCeramic-Metal (Cermolox)
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater NotesMatrix-Type Oxide-Coated Unipotential Cathode
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB1 Single-Tone (Up to 60 MHz) | 2250 V | — | 1100 | 12.3 | 900 mA |
| Class C Telephony Grid-Drive (600 MHz) | 2500 V | — | — | — | 900 mA |
| Class C Telegraphy/FM (600 MHz) | 2000 V | — | — | — |
Application Notes
For use at frequencies up to 1215 MHz as a Linear RF Power Amplifier in Single-Sideband, Plate-Modulated RF Power Amplifier, or Class C Telegraphy/FM.
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