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

AH 2/3

0 archive entries

BrandMarconi
ClassHot-cathode mercury-vapour rectifier

Construction

Primary TypeRectifier
Rectifier TypeMercury-vapour
EnvelopeHard glass bulb
SectionsSingle

Filament / Heater

MaterialOxide-coated
Warm-up Time2s

Absolute Maximum Ratings

Plate Voltage16000 V
Cathode Current14000 mA

Audio Performance

Key Features
  • Domed anode
  • Shrouded cathode
  • Hard glass bulb
  • Continuous air blast cooling

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
3-phase full-wave (Out of phase)15000 V———10000 mA
3-phase half-wave (Out of phase)7500 V———10000 mA
Maximum Peak Anode Current (Phase B)————

Application Notes

The valve should be operated with an air blast; the anode portion should not be cooled. Conditioning schedule of one hour required after storage or transit. Must be screened against HF fields.

Filters

0 tubes found

Manufacturers

Brands

    0 results
    14000 mA
    Maximum Average Anode Current (Phase B)————3500 mA