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

6AK4

0 archive entries

BrandSYLVANIA
ClassUHF subminiature triode
BaseSubminiature
Filament6.3 V @ 150 mA

Construction

Primary TypeTriode
EnvelopeT-3
Sections1

Filament / Heater

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation3 W
Cathode Current20 mA
H-C Voltage90 V

Audio Performance

Power Output0.44 W
Key Features
  • General purpose
  • Medium mu
  • Commercial version of 6K4

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Single Tube200 V380053002010.5 mA

Application Notes

Provides an operating bias of approximately 6.5 volts via 510 Ohm cathode resistor. Fixed bias operation is not recommended.

Datasheets

Datasheet: 6AK4.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