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

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6K3 vacuum tube outline illustration

Tube-number record

6K3

0 archive entries

6K3 is a tube type in the TubeDatabase archive (class: Variable-mu pentode). Recorded specifications: brand USSR, construction Pentode, socket Octal, maximum plate voltage 250 V, and maximum plate dissipation 4.4 W. The archive does not yet hold a photographed example of this type.

BrandUSSR
ClassVariable-mu pentode
BaseOctal
Filament6.3 V @ 300 mA

Construction

Primary TypePentode
EnvelopeMetal
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation4.4 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
RF/IF Amplifier250 V2000——9.25 mA

Application Notes

Intended for intermediate- and high-frequency amplification.

Datasheets

Datasheet: 6K3.pdf

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

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    Grid 2 Voltage
    140 V
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Metal envelope
    • Single-end
    • Variable-mu
    • Indirectly heated cathode