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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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T300-1 vacuum tube outline illustration

Tube-number record

T300-1

0 archive entries

T300-1 is a tube type in the TubeDatabase archive (class: Triode). Recorded specifications: brand Brown Boveri, year 1947, construction Triode, socket Special / none, maximum plate voltage 4000 V, and maximum plate dissipation 450 W. The archive does not yet hold a photographed example of this type.

BrandBrown Boveri
ClassTriode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage4000 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class C RF unmodulated4000 V10000—35515 mA
Class B AF Amplifier (2 tubes)4000 V———550 mA

Application Notes

AF or RF power amplifier and oscillator

Filters

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Manufacturers

Brands

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    Plate Dissipation450 W
    Grid 1 Voltage-500 V
    Cathode Current550 mA

    Audio Performance

    Power Output1580 W
    Key Features
    • Radiation-cooled
    • Directly heated
    • Thoriated tungsten cathode