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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

4465

0 archive entries

BrandRCA
ClassMultiplier Phototube
BaseDiheptal

Construction

Primary Type
Multi-section
EnvelopeJ42
Base MaterialNon-hygroscopic
Sections10-Stage

Filament / Heater

Absolute Maximum Ratings

Plate Voltage2500 V
Grid 2 Voltage300 V
Grid 1 Voltage600 V
Cathode Current1 mA
H-C Voltage600 V

Audio Performance

Key Features
  • 10-Stage
  • Head-on type
  • Venetian-blind dynode structure
  • Flat-faceplate
  • Low dark current
  • High sensitivity

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
At 2000V DC Supply2000 V——1600000—
At 1500V DC Supply1500 V——31000—

Application Notes

Designed for photometry, flying-spot scanning, and scintillation counter equipment requiring response from blue visible into near infrared.

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