Tube-number record
N.U.-6091
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BrandNational Union
Class18 Channel Radial Beam Tube
BaseSpecial / none
Filament6.3 V @ 670 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeTH18
Sections18 channels
Filament / Heater
Heater NotesAC or DC
Absolute Maximum Ratings
Plate Voltage300 V
Grid 2 Voltage300 V
Audio Performance
Key Features
- Electrostatically focused and deflected
- 18 Grid leads brought out separately
- Coated unipotential cathode
- High speed electronic switching
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Switching/Commutation | 300 V | 2 | 500000 | — | 60 mA |
Application Notes
Intended for high speed electronic switching or commutation. Capable of handling 18 different channels for transmission over a single carrier in multiplexing or telemetering applications.
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