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Tube Database (7,341 tube types · 1,270 archive entries)

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7044 vacuum tube outline illustration

Tube-number record

7044

0 archive entries

7044 is a tube type in the TubeDatabase archive (class: High-perveance, medium-mu, double triode). Recorded specifications: brand Sylvania, construction Dual triode, base Small Button 9-Pin, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 4.5 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassHigh-perveance, medium-mu, double triode
BaseNoval (B9A)
Filament12.6 V @ 450 mA

Construction

Primary TypeDual triode
EnvelopeT-6 1/2
Base MaterialSmall Button 9-Pin
Sections2

Filament / Heater

Heater NotesSeries or Parallel connection

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation120 V1000019001936 mA

Application Notes

The tube is characterized by high zero-bias plate current and exceptional freedom from the development of cathode interface. Preferred mounting position is upright or with plate majors in a vertical position.

Datasheets

Datasheet: 7044.pdf

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

Filters

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Manufacturers

Brands

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    Plate Voltage300 V
    Plate Dissipation4.5 W
    Grid 1 Voltage-100 V
    Cathode Current50 mA
    H-C Voltage200 V

    Audio Performance

    Key Features
    • High-perveance
    • Medium-mu
    • Designed primarily for computer applications
    • High zero-bias plate current
    • Freedom from cathode interface