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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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73 vacuum tube outline illustration

Tube-number record

73

0 archive entries

73 is a tube type in the TubeDatabase archive (class: High Vacuum Rectifier). Recorded specifications: brand Raytheon Manufacturing Co., construction Rectifier, base Bakelite, socket Octal, and maximum plate voltage 13000 V. The archive does not yet hold a photographed example of this type.

BrandRaytheon Manufacturing Co.
ClassHigh Vacuum Rectifier
BaseOctal

Construction

Primary TypeRectifier
EnvelopeT9
Base MaterialBakelite

Filament / Heater

MaterialOxide Coated
Warm-up Time4s

Absolute Maximum Ratings

Application Notes

Maximum Peak Plate Current of 3500 mA for intervals of less than 5 micro-seconds and repetition rate of less than 2000 times per second.

Datasheets

Datasheet: 73.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Plate Voltage
    13000 V
    Cathode Current20 mA

    Audio Performance

    Key Features
    • Convection Cooling
    • Oxide Coated Filament
    • Intermediate Octal Bakelite Base