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

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ECF 1 vacuum tube outline illustration

Tube-number record

ECF 1

0 archive entries

ECF 1 is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand Philips, construction Multi-section, socket Side-contact (P-base), maximum plate voltage 300 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.

BrandPhilips
ClassTriode-Pentode
BaseSide-contact (P-base)
Filament6.3 V @ 200 mA

Construction

Primary TypeMulti-section
EnvelopeGlass
Sections2

Filament / Heater

Heater NotesIndirect heating by A.C. or D.C.; parallel or series supply

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode section as H.F. or I.F. amplifier250 V20001600000—5 mA
Triode section150 V22009000208 mA

Datasheets

Datasheet: ECF1.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 W
    Grid 2 Voltage300 V
    Grid 1 Voltage-1.3 V
    H-C Voltage100 V

    Audio Performance

    Key Features
    • Combined I.F. and L.F. amplifier
    • Indirectly heated
    • Parallel or series supply