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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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18AJ10 vacuum tube outline illustration

Tube-number record

18AJ10

0 archive entries

18AJ10 is a tube type in the TubeDatabase archive (class: Dissimilar Double Pentode). Recorded specifications: brand General Electric, year 1968, construction Pentode, base Button 12-Pin (E12-70), socket Compactron, maximum plate voltage 300 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.

BrandGeneral Electric
ClassDissimilar Double Pentode
BaseCompactron
Filament18 V @ 315 mA

Construction

Primary TypePentode
EnvelopeT-9, Glass
Base MaterialButton 12-Pin (E12-70)
Sections2

Filament / Heater

Heater NotesWarm-up time 11 seconds

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Section 1 - Power Pentode145 V560033000—34 mA
Section 2 - Sharp-Cutoff Pentode150 V2400180000—2.8 mA

Filters

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Manufacturers

Brands

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    Plate Voltage300 V
    Plate Dissipation6 W
    Grid 2 Voltage150 V
    Cathode Current60 mA
    H-C Voltage200 V

    Audio Performance

    Typical THD12%
    Power Output1.45 W
    Key Features
    • Low Heater Power
    • 140 Volts B+
    • High Sensitivity Sound Detector
    • Compactron Construction