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Tube Database (7,341 tube types · 1,270 archive entries)

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2B4 vacuum tube outline illustration

Tube-number record

2B4

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2B4 is a tube type in the TubeDatabase archive (class: Gas Triode). Recorded specifications: brand Du Mont, construction Triode, socket 5-pin, and maximum plate voltage 300 V. The archive does not yet hold a photographed example of this type.

BrandDu Mont
ClassGas Triode
Base5-pin

Construction

Primary TypeTriode
EnvelopeST12
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage300 V
Cathode Current1 mA

Application Notes

Intended for use in Du Mont Cathode-ray Oscillographs for sweep oscillator service.

Datasheets

Datasheet: 2B4.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Audio Performance

    Key Features
    • Sweep oscillator service
    • Control and counter circuits