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

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7E6 vacuum tube outline illustration

Tube-number record

7E6

0 archive entries

7E6 is a tube type in the TubeDatabase archive (class: DUODIODE MEDIUM-MU TRIODE). Recorded specifications: brand Sylvania, construction Multi-section, base Lock-In, socket Loctal, maximum plate voltage 300 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassDUODIODE MEDIUM-MU TRIODE
BaseLoctal
Filament7 V @ 320 mA

Construction

Primary TypeMulti-section
Rectifier TypeDuodiode
EnvelopeT9
Base MaterialLock-In
SectionsTriode, Duodiode

Filament / Heater

Heater Notes7.0V nominal rating, 6.3V typical operation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Condition 1100 V15001100016.53.9 mA
Condition 2250 V19008500169.5 mA

Application Notes

Intended for use in conjunction with transformer coupled circuits; resistance coupling data available.

Datasheets

Datasheet: 7E6.pdf

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

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    Absolute Maximum Ratings

    Plate Voltage300 V
    Plate Dissipation2.5 W
    H-C Voltage90 V

    Audio Performance

    Key Features
    • Lock-In base
    • Medium-mu triode
    • Duodiode for detection/AVC