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

401

0 archive entries

BrandKellogg
ClassTriode
Filament3 V @ 1 mA

Construction

Primary TypeTriode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesAC Heater

Absolute Maximum Ratings

Plate Voltage135 V

Audio Performance

Key Features
  • AC operated heater
  • Top-cap heater terminals

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Amplifier90 V600130008.23 mA

Filters

0 tubes found

Manufacturers

Brands

    0 results