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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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EC 84 vacuum tube outline illustration

Tube-number record

EC 84

0 archive entries

EC 84 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand VEB Werk für Fernmeldewesen, year 1956, construction Triode, socket Noval (B9A), maximum plate voltage 150 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.

BrandVEB Werk für Fernmeldewesen
ClassTriode
BaseNoval (B9A)
Filament6.3 V @ 225 mA

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage150 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF-Verstärker125 V1000042004216 mA

Application Notes

Die Röhre EC 84 darf nicht mit fester Gittervorspannung betrieben werden.

Filters

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Manufacturers

Brands

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    Plate Dissipation2 W
    Grid 1 Voltage-1.3 V
    Cathode Current20 mA
    H-C Voltage80 V

    Audio Performance

    Key Features
    • Steile Triode
    • Gitterbasisschaltung
    • High transconductance