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

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6870 vacuum tube outline illustration

Tube-number record

6870

0 archive entries

6870 is a tube type in the TubeDatabase archive (class: R.F. AND VIDEO PENTODE). Recorded specifications: brand BRIMAR, construction Pentode, socket Miniature 7-pin (B7G), maximum plate voltage 300 V, and maximum plate dissipation 6.3 W. The archive does not yet hold a photographed example of this type.

BrandBRIMAR
ClassR.F. AND VIDEO PENTODE
BaseMiniature 7-pin (B7G)
Filament6.3 V @ 600 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesParallel or series connection

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A180 V90001700003525 mA

Datasheets

Datasheet: 6870.pdf

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

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    Plate Dissipation6.3 W
    Grid 2 Voltage250 V
    Cathode Current50 mA

    Audio Performance

    Key Features
    • Trustworthy
    • High slope
    • Small transmitting valve
    • Video output valve