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

P27/500

0 archive entries

BrandTungsram
ClassPower Triode
BaseSpecial / none

Construction

Primary TypeTriode
EnvelopeGlass

Filament / Heater

MaterialOxide

Absolute Maximum Ratings

Plate Voltage500 V
Plate Dissipation25 W

Audio Performance

Key Features
  • Kraftverstarkerrohre
  • Oxydheizfaden

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Typical Operation—750012009—

Filters

0 tubes found

Manufacturers

Brands

    0 results