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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

4464

0 archive entries

BrandRCA
ClassMultiplier Phototube
BaseDiheptal

Construction

Primary TypeMulti-section
EnvelopeJ24
Base MaterialNon-hygroscopic
Sections10-stage

Filament / Heater

Absolute Maximum Ratings

Plate Voltage2000 V
Grid 2 Voltage300 V
Grid 1 Voltage600 V
Cathode Current1 mA

Audio Performance

Key Features
  • Head-on type
  • Flat-faceplate
  • Low dark current
  • High sensitivity over wide spectrum
  • Semitransparent Multialkali cathode

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Supply Voltage E = 2000V2000 V——1600000—
Supply Voltage E = 1500V1500 V——31000—

Application Notes

Recommended average anode current should be well below 1 mA for stability. For maximum stability, do not exceed 10 microamperes.

Filters

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Manufacturers

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