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

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1B80 vacuum tube outline illustration

Tube-number record

1B80

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1B80 is a tube type in the TubeDatabase archive (class: Geiger-Mueller Counter Tube). Recorded specifications: brand Amperex Electronic Corp., construction Other / special, base Stainless Steel, socket Special / none, and maximum plate voltage 700 V. The archive does not yet hold a photographed example of this type.

BrandAmperex Electronic Corp.
ClassGeiger-Mueller Counter Tube
BaseSpecial / none

Construction

Primary TypeOther / special
EnvelopeMica window / Stainless Steel
Base MaterialStainless Steel
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage700 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Geiger-Mueller700 V————

Application Notes

Mica windows 3.5mg/cm2 thick will pass all beta radiation of energy in excess of 43 KEV when the source is in close proximity.

Datasheets

Datasheet: 1B80.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
    • Alpha radiation detection
    • Beta radiation detection
    • Mica window
    • Stainless steel cathode