TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerSubmit a tube

Tube-number record

4B24

0 archive entries

BrandElectrons, Inc.
ClassFull-wave Rectifier
Base4-pin

Construction

Primary TypeOther / special
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 Rectification250 V———2500 mA

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.

Filters

0 tubes found

Manufacturers

Brands

    0 results