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

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CK6999 vacuum tube outline illustration

Tube-number record

CK6999

0 archive entries

CK6999 is a tube type in the TubeDatabase archive (class: Subminiature Pentode). Recorded specifications: brand Raytheon, construction Pentode, socket Flexible / flying leads, maximum plate voltage 145 V, and maximum plate dissipation 0.75 W. The archive does not yet hold a photographed example of this type.

BrandRaytheon
ClassSubminiature Pentode
BaseFlexible / flying leads

Construction

Primary TypePentode
EnvelopeT-2x3 Glass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage145 V
Plate Dissipation0.75 W

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Power Amplifier67.5 V1650——4 mA

Application Notes

The flexible terminal leads may be soldered or welded directly to the terminals of circuit components without the use of sockets. Standard inline subminiature sockets may be used by cutting the leads to a suitable length.

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    Grid 2 Voltage95 V
    Cathode Current7 mA

    Audio Performance

    Typical THD11.5%
    Power Output0.135 W
    Key Features
    • Subminiature construction
    • Filament type
    • Flexible terminal leads
    • Designed for wearable and portable equipment