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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

6292

0 archive entries

BrandDuMont
ClassMultiplier Phototube
BaseCRT / special base

Construction

Primary TypeMulti-section
EnvelopeGlass
Base MaterialMedium-shell diheptal
Sections10-stage

Filament / Heater

Absolute Maximum Ratings

Plate Voltage1250 V
Plate Dissipation0.5 W

Audio Performance

Key Features
  • 10 stage multiplier
  • End-window type
  • Predominantly sensitive to visible radiation
  • Spectral response S9

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
105 volts per stage1050 V——215000—
145 volts per stage1450 V——2500000—

Application Notes

The cathode current must be kept well below the peak value to satisfy maximum ratings on anode current and maintain linearity.

Filters

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