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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

ML-298A

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BrandMachlett Laboratories, Inc.
ClassTransmitting Tube

Construction

Primary TypeTriode
EnvelopeWater-cooled anode
Sections1

Filament / Heater

Materialpure-tungsten

Absolute Maximum Ratings

Plate Voltage20000 V
Plate Dissipation100000 W
Cathode Current11000 mA

Audio Performance

Key Features
  • Water cooled anode
  • High-voltage straight-line exhaust process
  • Pure-tungsten filament

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
General Characteristics—22000—32—

Application Notes

Designed for use as modulators, amplifiers, or oscillators in radio-transmitting service.

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