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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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DA 8/300 vacuum tube outline illustration

Tube-number record

DA 8/300

0 archive entries

DA 8/300 is a tube type in the TubeDatabase archive (class: Rectifier Tube). Recorded specifications: brand PHILIPS, construction Diode, maximum plate voltage 8000 V, and maximum plate dissipation 150 W. The archive does not yet hold a photographed example of this type.

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

0 tubes found

Manufacturers

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