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

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19Q9 vacuum tube outline illustration

Tube-number record

19Q9

0 archive entries

19Q9 is a tube type in the TubeDatabase archive (class: Medium-mu triode and semi-remote cutoff pentode). Recorded specifications: brand Sylvania, construction Multi-section, socket 10-pin, maximum plate voltage 330 V, and maximum plate dissipation 3 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassMedium-mu triode and semi-remote cutoff pentode
Base10-pin
Filament18.9 V @ 150 mA

Construction

Primary TypeMulti-section
EnvelopeT-6 1/2
Sections2

Filament / Heater

Heater NotesHeater warm-up time 17 seconds

Absolute Maximum Ratings

Plate Voltage330 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section - Class A1 Amplifier125 V800050004014 mA
Pentode Section - Class A1 Amplifier125 V6500200000—12 mA

Application Notes

Intended primarily for use as an FM RF amp. and autodyne mixer. Triode section control grid spacing precludes use of more than 100V between elements in checkers.

Datasheets

Datasheet: 19Q9.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 Dissipation3 W
    Grid 2 Voltage330 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Semi-remote cutoff pentode
    • Medium-mu triode
    • 10-pin bulb
    • FM RF amplifier
    • Autodyne mixer