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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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2W3 vacuum tube outline illustration

Tube-number record

2W3

0 archive entries

2W3 is a tube type in the TubeDatabase archive (class: Half-wave rectifier). Recorded specifications: brand KEN-RAD, year 1938, construction Other / special, socket Octal, and maximum plate voltage 350 V. The archive does not yet hold a photographed example of this type.

BrandKEN-RAD
ClassHalf-wave rectifier
BaseOctal

Construction

Primary TypeOther / special
Rectifier TypeHalf-wave
EnvelopeMetal shell
SectionsSingle

Filament / Heater

MaterialFilament type

Absolute Maximum Ratings

Application Notes

The Ken-Rad 2W3 is a filament type half-wave rectifier designed for application where the total 'B' drain is not high. The tube elements are enclosed in a metal shell which is connected to one of the base pins.

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    Plate Voltage350 V
    Cathode Current55 mA

    Audio Performance

    Key Features
    • Filament type
    • Metal shell
    • Small octal base
    • Low B drain applications