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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

NL-619

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BrandNational Electronics, Inc.
ClassMercury Vapor Rectifier Tube
BaseScrew / Edison base

Construction

Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass

Filament / Heater

Warm-up Time60s

Absolute Maximum Ratings

Plate Voltage300 V
Cathode Current6000 mA

Audio Performance

Key Features
  • Mercury vapor filled for long life
  • High efficiency operation
  • Sturdy mogul screw base
  • Designed for industrial applications

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