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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

GL-1P29/FJ-401

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BrandGeneral Electric
ClassPhototube
BaseSubminiature

Construction

Primary TypeOther / special
EnvelopeGlass
Sections2

Filament / Heater

Absolute Maximum Ratings

Plate Voltage100 V

Audio Performance

Key Features
  • High sensitivity in the visible range
  • Maximum output in the blue portion
  • Gas-filled
  • Two-electrode

Application Notes

Useful in photoelectric control apparatus where a high degree of output per unit of light flux is required.

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