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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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EF 762 vacuum tube outline illustration

Tube-number record

EF 762

0 archive entries

EF 762 is a tube type in the TubeDatabase archive (class: HF-Pentode). Recorded specifications: brand VEB Funkwerk Erfurt, year 1956, construction Pentode, socket Subminiature, maximum plate voltage 175 V, and maximum plate dissipation 0.8 W. The archive does not yet hold a photographed example of this type.

BrandVEB Funkwerk Erfurt
ClassHF-Pentode
BaseSubminiature
Filament6.3 V @ 150 mA

Construction

Primary TypePentode
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage175 V
Plate Dissipation0.8 W
Grid 2 Voltage175 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Static Operation100 V5000250000367.5 mA

Filters

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Manufacturers

Brands

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    Grid 1 Voltage-1.3 V
    Cathode Current12 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • High transconductance
    • HF amplifier for high frequencies
    • Subminiature construction