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

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12DV7 vacuum tube outline illustration

Tube-number record

12DV7

0 archive entries

12DV7 is a tube type in the TubeDatabase archive (class: Double Diode Medium-Mu Triode). Recorded specifications: brand Sylvania, construction Triode, base Glass, socket Noval (B9A), and maximum plate voltage 16 V. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassDouble Diode Medium-Mu Triode
BaseNoval (B9A)
Filament12.6 V @ 150 mA

Construction

Primary TypeTriode
EnvelopeT-6 1/2
Base MaterialGlass
SectionsTriple

Filament / Heater

Heater NotesIntended for automotive radios; range 10.0V to 15.9V

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier12.6 V75019000140.4 mA

Application Notes

The Sylvania Type 12DV7 is a miniature double diode, medium mu triode intended for use as a second detector audio amplifier in automobile radios where plate voltages are supplied directly from a 12 volt automotive storage battery.

Datasheets

Datasheet: 12DV7.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 Voltage16 V
    Cathode Current20 mA
    H-C Voltage16 V

    Audio Performance

    Key Features
    • Coated Unipotential Cathode
    • Miniature construction
    • 12-volt battery operation