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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)
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Tube-number record

DA 8/300

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BrandPHILIPS
ClassRectifier Tube

Construction

Primary TypeDiode
Rectifier TypeVacuum
EnvelopeGlass
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage8000 V
Plate Dissipation150 W
Cathode Current40 mA

Audio Performance

Power Output320 W
Key Features
  • Identical construction to TA 8/300 transmitter tube except for the grid
  • Requires at least two DA 8/300 tubes for TA 8/300 transmitter operation

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Rectifier8000 V—2500—40 mA

Application Notes

Special rectifier tube specifically designed for the TA 8/300 transmitter tube. Produced DC voltage varies between 4000 and 8000 volts.

Filters

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