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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

872

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ClassHalf-Wave Mercury-Vapor Rectifier
Base4-pin

Construction

Primary TypeMercury Vapor
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialPlastic
Sections1

Filament / Heater

MaterialCoated
Warm-up Time30s

Absolute Maximum Ratings

Plate Voltage10000 V
Cathode Current1250 mA

Audio Performance

Key Features
  • High-voltage high-current rectifier
  • Mercury-vapor type
  • Filamentary cathode

Application Notes

The filament should be allowed to reach operating temperature before the plate voltage is applied. For an ambient temperature of 25°C, a minimum of 30 seconds is recommended.

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