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

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6AZ8 vacuum tube outline illustration

Tube-number record

6AZ8

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6AZ8 is a tube type in the TubeDatabase archive (class: Miniature Triode-Pentode). Recorded specifications: brand Sylvania, construction Multi-section, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassMiniature Triode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA

Construction

Primary TypeMulti-section
EnvelopeT6 1/2
SectionsDouble

Filament / Heater

Absolute Maximum Ratings

Plate Voltage300 V
Plate Dissipation2 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode200 V330057501913 mA
Pentode200 V6000300000—9.5 mA

Application Notes

The heater-cathode voltage should not exceed the value of the operating cathode bias because the voltage between the heater and cathode is also applied between the cathode and Grid No. 3.

Datasheets

Datasheet: 6AZ8.pdf

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

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    Grid 2 Voltage300 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Medium-mu triode
    • Semi-remote cut-off pentode
    • Designed for sync separator and clipper
    • Suitable for video amplifier and AGC amplifier