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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

OZ4

0 archive entries

BrandBrimar
ClassFull Wave Rectifier
BaseOctal

Construction

Primary TypeOther / special
Rectifier TypeFull Wave
EnvelopeMetal Shell
SectionsSingle

Filament / Heater

Absolute Maximum Ratings

Plate Voltage1000 V
Cathode Current75 mA

Audio Performance

Key Features
  • Ionic heated cathode
  • No external heater supply required
  • Low battery consumption
  • Metal shell for R.F. shielding

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