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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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18DZ8 vacuum tube outline illustration

Tube-number record

18DZ8

0 archive entries

18DZ8 is a tube type in the TubeDatabase archive (class: Triode Pentode). Recorded specifications: brand Tung-Sol, year 1959, construction Multi-section, socket Noval (B9A), maximum plate voltage 150 V, and maximum plate dissipation 6.5 W. The archive does not yet hold a photographed example of this type.

BrandTung-Sol
ClassTriode Pentode
BaseNoval (B9A)
Filament18 V @ 0.3 mA

Construction

Primary TypeMulti-section
EnvelopeGlass
Sections2

Filament / Heater

Heater NotesAC or DC

Absolute Maximum Ratings

Plate Voltage150 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode section120 V1400—1000.8 mA
Pentode section145 V75002500—45 mA

Application Notes

Designed as a two stage audio frequency amplifier where the plate supply voltage is obtained from a single half-wave rectifier directly from the 120 volt AC line.

Filters

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Manufacturers

Brands

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    Plate Dissipation
    6.5 W
    Grid 2 Voltage145 V
    Cathode Current60 mA
    H-C Voltage200 V

    Audio Performance

    Power Output2 W
    Key Features
    • High-Mu Triode
    • Power Pentode
    • Coated Unipotential Cathode
    • Any Mounting Position