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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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Tube-number record

TWIN BEAM POWER AMPLIFIER

0 archive entries

TWIN BEAM POWER AMPLIFIER is a tube type in the TubeDatabase archive (class: Power Output Tube). Recorded specifications: brand Tung-Sol, year 1962, construction Pentode, base Intermediate Shell B8-6, socket Octal, maximum plate voltage 50 V, and maximum plate dissipation 2 W. The archive does not yet hold a photographed example of this type.

BrandTung-Sol
ClassPower Output Tube
BaseOctal
Filament26.5 V @ 600 mA

Construction

Primary TypePentode
EnvelopeT-9
Base MaterialIntermediate Shell B8-6
SectionsTwin

Filament / Heater

Heater NotesCoated Unipotential Cathode

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier (Each Unit)26.5 V5700——20 mA
Push-Pull Class AB1 Amplifier (Both Units)26.5 V———30 mA

Application Notes

Intended for use as a push-pull or parallel connected power output tube in aircraft or mobile service where both the plate and heater supply is limited to 28 volts.

Filters

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Manufacturers

Brands

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    Plate Voltage50 V
    Plate Dissipation2 W
    Grid 2 Voltage50 V
    H-C Voltage90 V

    Audio Performance

    Typical THD5%
    Power Output0.5 W
    Key Features
    • Coated Unipotential Cathode
    • Aircraft or Mobile Service
    • Limited to 28 Volts supply