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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

ESU.400

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BrandEDISWAN
ClassHALF-WAVE MERCURY VAPOUR RECTIFIER
BaseJumbo

Construction

Primary TypeMercury Vapour
Rectifier TypeHalf-wave
EnvelopeGlass
Sections1

Filament / Heater

Warm-up Time60s

Absolute Maximum Ratings

Plate Voltage14000 V
Cathode Current6000 mA

Audio Performance

Key Features
  • Vertical mounting
  • Jumbo base

Application Notes

When the rectifier is first placed into service, the filament should be operated at Normal Voltage for 15 minutes without the anode voltage. This will enable the mercury anode to be correctly distributed.

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