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

EL 3B

0 archive entries

BrandElectrons, Incorporated
ClassHalf-wave Rectifier
Base4-pin

Construction

Primary TypeRectifier
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialMetal
Sections1

Filament / Heater

MaterialTantalum Anode (implied oxide or similar for gas tube)
Warm-up Time30s

Absolute Maximum Ratings

Plate Voltage920 V
Cathode Current2500 mA

Audio Performance

Key Features
  • Tantalum Anode
  • Xenon Gas Filling
  • Mounting Position: Any

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Half-wave Rectifier9 V———2500 mA

Application Notes

The filament must be lit before drawing d-c. load current. The anode is designed to operate at red heat when under full load. All values are for returns to the filament center tap.

Filters

0 tubes found

Manufacturers

Brands

    0 results