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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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UA1B vacuum tube outline illustration

Tube-number record

UA1B

0 archive entries

UA1B is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Tesla, construction Diode, socket Screw / Edison base, and maximum plate voltage 8000 V. The archive does not yet hold a photographed example of this type.

BrandTesla
ClassRectifier
BaseScrew / Edison base
Filament4 V @ 10000 mA

Construction

Primary TypeDiode
Rectifier TypeHalf-wave
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialOxide-coated
Warm-up Time120s

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Half-wave rectifier8000 V———1000 mA

Application Notes

Suitable for use in HV rectifiers for powering transmitters and amplifiers.

Datasheets

Datasheet: UA1B.pdf

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

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    Heater Notes
    Direct heating

    Absolute Maximum Ratings

    Plate Voltage8000 V
    Cathode Current1000 mA

    Audio Performance

    Key Features
    • Half-wave rectifying diode
    • Gas-filled
    • Direct heating
    • Nickel anode
    • Argon-filled