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Tube Database (7,341 tube types · 1,270 archive entries)

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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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

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