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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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8EB8 vacuum tube outline illustration

Tube-number record

8EB8

0 archive entries

8EB8 is a tube type in the TubeDatabase archive (class: Triode Pentode). Recorded specifications: brand Tung-Sol, year 1958, construction Multi-section, base Glass, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 5 W. The archive does not yet hold a photographed example of this type.

BrandTung-Sol
ClassTriode Pentode
BaseNoval (B9A)
Filament8 V @ 0.6 mA

Construction

Primary TypeMulti-section
EnvelopeGlass Bulb
Base MaterialGlass
Sections2

Filament / Heater

Heater NotesControlled warm-up

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section250 V2100470001002 mA
Pentode Section200 V1250075000—24 mA

Application Notes

The triode section is designed for use as a voltage amplifier while the pentode section is designed for use as a video amplifier.

Filters

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Manufacturers

Brands

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    Plate Voltage330 V
    Plate Dissipation5 W
    Grid 2 Voltage330 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • High-mu triode
    • Sharp cutoff pentode
    • Controlled plate knee characteristic
    • Controlled heater warm-up characteristics