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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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8013-A vacuum tube outline illustration

Tube-number record

8013-A

0 archive entries

8013-A is a tube type in the TubeDatabase archive (class: Half-wave vacuum rectifier). Recorded specifications: brand Radio Corporation of America, year 1955, construction Rectifier, base Medium-Shell Small 4-Pin (JETEC No. A4-9), socket 4-pin, maximum plate voltage 40000 V, and maximum plate dissipation 12 W. The archive does not yet hold a photographed example of this type.

BrandRadio Corporation of America
ClassHalf-wave vacuum rectifier
Base4-pin

Construction

Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeST-16
Base MaterialMedium-Shell Small 4-Pin (JETEC No. A4-9)
Sections1

Filament / Heater

MaterialThoriated Tungsten

Application Notes

Bulb must be cleaned regularly to avoid leakage caused by dust. Shielding is required to protect operators from X-rays produced during normal operation.

Filters

0 tubes found

Manufacturers

Brands

    0 results

    Absolute Maximum Ratings

    Plate Voltage40000 V
    Plate Dissipation12 W
    Cathode Current20 mA

    Audio Performance

    Key Features
    • Thoriated Tungsten filament
    • X-ray production hazard during operation
    • Can be immersed in oil for increased inverse voltage (55kV)
    • Filament and plate voltage may be applied simultaneously