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

GL-6930

0 archive entries

BrandGeneral Electric
ClassRectifier
BaseSpecial / none

Construction

Primary TypeMercury Vapor
Rectifier TypeHalf-wave
EnvelopeGlass
Base MaterialMetal
SectionsSingle

Filament / Heater

MaterialFilamentary
Warm-up Time60s

Absolute Maximum Ratings

Plate Voltage1000 V
Cathode Current6400 mA

Audio Performance

Key Features
  • Half-wave rectifier
  • Mercury-vapor
  • Industrial power applications
  • 250 volts d-c output

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Power Rectifier250 V———6400 mA

Application Notes

Most satisfactory performance results with quadrature filament operation (filament voltage 90 degrees out of phase with anode voltage). Anode and grid-circuit returns should be made to the filament and cathode terminal or filament transformer center tap.

Filters

0 tubes found

Manufacturers

Brands

    0 results