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

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EF 800 vacuum tube outline illustration

Tube-number record

EF 800

0 archive entries

EF 800 is a tube type in the TubeDatabase archive (class: High-Gain RF/IF-Pentode). Recorded specifications: brand AEG, construction Pentode, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.

BrandAEG
ClassHigh-Gain RF/IF-Pentode
BaseNoval (B9A)
Filament6.3 V @ 295 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly DC or AC heated, connected in parallel

Absolute Maximum Ratings

Plate Voltage250 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation170 V7400400000—10 mA

Datasheets

Datasheet: EF800.pdf

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

Filters

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Manufacturers

Brands

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    Plate Dissipation2.5 W
    Grid 2 Voltage250 V
    Cathode Current12.5 mA
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Reliability
    • Long Life
    • Exacting Tolerances
    • Special Cathode Free from Interface