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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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8149 vacuum tube outline illustration

Tube-number record

8149

0 archive entries

8149 is a tube type in the TubeDatabase archive (class: Beam Power VHF Pentode). Recorded specifications: brand Tung-Sol, year 1963, construction Pentode, base Glass, socket Compactron, maximum plate voltage 750 V, and maximum plate dissipation 35 W. The archive does not yet hold a photographed example of this type.

BrandTung-Sol
ClassBeam Power VHF Pentode
BaseCompactron
Filament13 V @ 0.6 mA

Construction

Primary TypePentode
EnvelopeT-12
Base MaterialGlass
Sections1

Filament / Heater

Heater NotesCenter-tapped heater for 3-cell or 6-cell storage battery systems.

Absolute Maximum Ratings

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Average Static Characteristics200 V7500—45100 mA
Class C Amplifier at 175 Mc/s380 V———180 mA

Application Notes

Intended for use as an RF power amplifier and oscillator in mobile or industrial equipment. ICAS ratings allow for intermittent commercial and amateur service.

Filters

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Manufacturers

Brands

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    Plate Voltage750 V
    Plate Dissipation35 W
    Grid 2 Voltage250 V
    Grid 1 Voltage-150 V
    Cathode Current220 mA
    H-C Voltage135 V

    Audio Performance

    Power Output40 W
    Key Features
    • Compactron design
    • Single-ended
    • Center-tapped heater
    • High frequency operation up to 175 Mc/s