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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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2X2/879 vacuum tube outline illustration

Tube-number record

2X2/879

0 archive entries

2X2/879 is a tube type in the TubeDatabase archive (class: Rectifier). Recorded specifications: brand Sylvania, construction Rectifier, socket Special / none, and maximum plate voltage 4500 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassRectifier
BaseSpecial / none

Construction

Primary TypeRectifier
Rectifier TypeHalf-Wave
EnvelopeST-12C
Sections1

Filament / Heater

MaterialOxide

Absolute Maximum Ratings

Application Notes

Used primarily with cathode ray tubes in television. Requires adequate ventilation as the bulb becomes very hot during operation.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    Plate Voltage
    4500 V
    Cathode Current7.5 mA

    Audio Performance

    Key Features
    • High voltage
    • Half-wave rectifier
    • Oxide-coated filament
    • Top cap plate connection