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

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EC52 vacuum tube outline illustration

Tube-number record

EC52

0 archive entries

EC52 is a tube type in the TubeDatabase archive (class: Short Wave Triode). Recorded specifications: brand Mullard, construction Triode, socket B9G (EF50), maximum plate voltage 400 V, and maximum plate dissipation 7.5 W. The archive does not yet hold a photographed example of this type.

BrandMullard
ClassShort Wave Triode
BaseB9G (EF50)
Filament6.3 V @ 430 mA

Construction

Primary TypeTriode
Envelopeglass
Sectionssingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage400 V
Plate Dissipation7.5 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
low power oscillator250 V650092006010 mA

Application Notes

Up to 300 Mc/s the inductance of the heater leads is sufficiently low to allow the heater pins to be earthed capacitatively.

Datasheets

Datasheet: EC52.pdf

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

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    Audio Performance

    Key Features
    • Short wave
    • Single-ended
    • Low power oscillator