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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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RK-19 vacuum tube outline illustration

Tube-number record

RK-19

0 archive entries

RK-19 is a tube type in the TubeDatabase archive (class: rectifier). Recorded specifications: brand RAYTHEON, construction Diode, socket 4-pin, and maximum plate voltage 1250 V. The archive does not yet hold a photographed example of this type.

BrandRAYTHEON
Classrectifier
Base4-pin
Filament7.5 V @ 2500 mA

Construction

Primary TypeDiode
Rectifier TypeFull-Wave
EnvelopeHigh Vacuum
Sections2

Filament / Heater

Heater NotesHeater type

Absolute Maximum Ratings

Application Notes

The cathode should always be allowed to reach operating temperature before the plate voltage is applied. For average conditions this delay should be at least 30 seconds. Plate leads should be flexible wire to prevent strain on top caps.

Filters

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Manufacturers

Brands

    0 results
    Plate Voltage1250 V
    Cathode Current200 mA

    Audio Performance

    Key Features
    • Low internal voltage drop
    • No r-f noise