TubeDatabase
  • Tubes
  • Testers
  • Companies
  • Submit
  • About

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)
DisclaimerSubmit a tube

Tube-number record

6KD8

0 archive entries

BrandSylvania
ClassTriode-Pentode
BaseNoval (B9A)
Filament6.3 V @ 400 mA

Construction

Primary TypeMulti-section
EnvelopeT-6 1/2
Sections2

Filament / Heater

Heater NotesCoated Unipotential Cathode

Absolute Maximum Ratings

Plate Voltage330 V
Plate Dissipation3 W
Grid 2 Voltage330 V
H-C Voltage200 V

Audio Performance

Key Features
  • Medium mu triode
  • Sharp cutoff pentode
  • Combined VHF oscillator and mixer

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Triode Section125 V7500—4013.5 mA
Pentode Section125 V5000200000—9.5 mA

Application Notes

Control grid to cathode spacing is of very low magnitude; do not exceed 100V DC between these elements in tube checkers.

Datasheets

Datasheet: 6KD8.pdf

Download PDF
Loading datasheet...

Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

Filters

0 tubes found

Manufacturers

Brands

    0 results