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

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Tube-number record

HALF-WAVE RECTIFIER

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BrandKen-Rad
ClassMetal Tube
BaseOctal
Filament25 V @ 300 mA

Construction

Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeMetal shell
SectionsSingle

Filament / Heater

Heater NotesFilaments designed for series connection

Absolute Maximum Ratings

Plate Voltage125 V
Cathode Current125 mA

Audio Performance

Key Features
  • Cathode type
  • Metal shell connected to base pin
  • Small octal base

Application Notes

Designed for transformerless receivers with filaments connected in series.

Filters

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