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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

U.24

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BrandMazda
ClassHigh Voltage Half Wave Rectifier
BaseOctal

Construction

Primary TypeIndirectly heated
Rectifier TypeHalf Wave
EnvelopeClear
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage7800 V
Cathode Current15 mA

Audio Performance

Key Features
  • Indirectly heated
  • R.F. E.H.T. Supply
  • Top cap American Miniature

Application Notes

All pins with the exception of No. 2 should be connected to Pin No. 7 on the holder and Pin No. 7 connected to the reservoir condenser.

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