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

88

0 archive entries

BrandSylvania
ClassDuo-Diode High-Mu Triode
Base6-pin
Filament6.3 V @ 300 mA

Construction

Primary TypeTriode
EnvelopeST-12
Sections3

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V

Audio Performance

Key Features
  • High-mu triode
  • Independent diode units

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section250 V1100910001001.1 mA

Filters

0 tubes found

Manufacturers

Brands

    0 results