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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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Tube-number record

2J2

0 archive entries

2J2 is a tube type in the TubeDatabase archive (class: High Voltage Half Wave Rectifier). Recorded specifications: brand Siemens Edison Swan Limited, year 1958, construction Rectifier, socket Noval (B9A), and maximum plate voltage 23500 V. The archive does not yet hold a photographed example of this type.

BrandSiemens Edison Swan Limited
ClassHigh Voltage Half Wave Rectifier
BaseNoval (B9A)
Filament2 V @ 350 mA

Construction

Primary TypeRectifier
Rectifier TypeIndirectly heated
EnvelopeT6 1/2
SectionsSingle

Filament / Heater

Heater NotesOne end of heater connected to pins 1, 4, 6, 9; the other end to pins 2, 5, 8.

Absolute Maximum Ratings

Application Notes

Pins 3 and 7 are floating but must not be left unconnected. They should be connected to the external circuit with not more than 10 Ohms between adjacent pins.

Filters

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Manufacturers

Brands

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    Plate Voltage23500 V
    Cathode Current0.2 mA

    Audio Performance

    Key Features
    • Flyback E.H.T. supplies
    • Unrestricted mounting position
    • Clear bulb