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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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Tube-number record

6693

0 archive entries

BrandAmperex
ClassMercury Vapor Rectifier
Base4-pin

Construction

Primary TypeRectifier
Rectifier TypeSingle Anode
EnvelopeGlass
Base MaterialCeramic or Plastic with Bayonet
Sections1

Filament / Heater

MaterialOxide coated
Warm-up Time60s

Absolute Maximum Ratings

Plate Voltage15000 V
Cathode Current5000 mA

Audio Performance

Key Features
  • Directly heated cathode
  • Oxide coated
  • High voltage
  • Single anode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Peak Inverse Anode Voltage = 15 kV15000 V———3000 mA
Peak Inverse Anode Voltage = 2.5 kV2500 V———5000 mA

Application Notes

Particularly suitable for use in conjunction with modern power oscillator and amplifier tubes operating at high currents and lower voltages. Ratings intermediate between 575A and 869B.

Datasheets

Datasheet: 6693.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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