TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
DisclaimerSubmit a tube

Tube-number record

T300-1

0 archive entries

BrandBrown Boveri
ClassTriode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

MaterialThoriated tungsten

Absolute Maximum Ratings

Plate Voltage4000 V
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

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

0 tubes found

Manufacturers

Brands

    0 results