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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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7189-A vacuum tube outline illustration

Tube-number record

7189-A

0 archive entries

7189-A is a tube type in the TubeDatabase archive (class: Power Amplifier Pentode). Recorded specifications: brand General Electric, construction Pentode, base Glass, socket Noval (B9A), maximum plate voltage 440 V, and maximum plate dissipation 13.2 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassPower Amplifier Pentode
BaseNoval (B9A)
Filament6.3 V @ 760 mA

Construction

Primary TypePentode
EnvelopeT-6 1/2 Glass
Base MaterialGlass
SectionsSingle

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier250 V113004000019.548 mA
Push-Pull Class AB1400 V———105 mA

Application Notes

Designed for audio-frequency power output stage of television and radio receivers and high-fidelity amplifiers.

Filters

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Manufacturers

Brands

    0 results
    Plate Voltage440 V
    Plate Dissipation13.2 W
    Grid 2 Voltage400 V
    Cathode Current72 mA
    H-C Voltage100 V

    Audio Performance

    Typical THD10%
    Power Output5.7 W
    Key Features
    • Unilaterally interchangeable with 7189
    • Higher screen-voltage rating than 7189
    • High-fidelity amplifier applications