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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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6AC7(K) vacuum tube outline illustration

Tube-number record

6AC7(K)

0 archive entries

6AC7(K) is a tube type in the TubeDatabase archive (class: HF-Pentode). Recorded specifications: brand VEB Werk für Fernmeldewesen (WF), year 1956, construction Pentode, socket Octal, maximum plate voltage 330 V, and maximum plate dissipation 3.3 W. The archive does not yet hold a photographed example of this type.

BrandVEB Werk für Fernmeldewesen (WF)
ClassHF-Pentode
BaseOctal
Filament6.3 V @ 450 mA

Construction

Primary TypePentode
EnvelopeMetal
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage330 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF-Verstärker300 V90003000005010 mA

Application Notes

Anfangsstufen in Breitbandverstärkern. Die Röhre darf nur mit automatischer Gittervorspannung (Erzeugung durch Katodenwiderstand) betrieben werden.

Filters

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Manufacturers

Brands

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    Plate Dissipation3.3 W
    Grid 2 Voltage165 V
    Grid 1 Voltage-1.3 V
    Cathode Current25 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Hohe Lebensdauer
    • Steile Kennlinie
    • Breitbandverstärkung