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4B24

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BrandElectrons, Inc.
ClassFull-wave Rectifier
Base4-pin Industrial

Construction

Primary TypeGas-filled
Rectifier TypeFull-wave
EnvelopeGlass
Base MaterialIndustrial
SectionsDual Anode

Filament / Heater

MaterialTantalum (Anode)
Warm-up Time30s

Absolute Maximum Ratings

Plate Voltage725 V
Cathode Current2500 mA

Audio Performance

Key Features
  • Tantalum Anode
  • Xenon Gas Filling
  • Full-wave Rectifier

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Continuous Rectification250V---2500mA

Application Notes

Preferable to light filament before applying D-C load. Cold starts consume tube life and may blow primary fuses above 115V anode voltage. Phasing of filament voltage relative to anode voltage insures lower arc drop and longer life.

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