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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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CX-380 vacuum tube outline illustration

Tube-number record

CX-380

0 archive entries

CX-380 is a tube type in the TubeDatabase archive (class: Full Wave Rectifier). Recorded specifications: brand Cunningham, construction Rectifier, socket Special / none, and maximum plate voltage 300 V. The archive does not yet hold a photographed example of this type.

BrandCunningham
ClassFull Wave Rectifier
BaseSpecial / none

Construction

Primary TypeRectifier
Rectifier TypeFull-Wave
EnvelopeGlass
Sections2

Filament / Heater

MaterialOxide coated ribbon

Absolute Maximum Ratings

Application Notes

Used in Battery Eliminators operating from alternating current. Should be mounted in a vertical position with free circulation of air. Recommends disconnecting from house lighting circuit before inserting or removing.

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Manufacturers

Brands

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    Plate Voltage300 V
    Cathode Current125 mA

    Audio Performance

    Key Features
    • Full wave rectifying tube
    • Improved ribbon filament
    • Oxide coated type
    • Large Standard CX Base