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)
DisclaimerA–Z indexSubmit a tube
6AS8 vacuum tube outline illustration

Tube-number record

6AS8

0 archive entries

6AS8 is a tube type in the TubeDatabase archive (class: Single Diode Sharp Cutoff Pentode). Recorded specifications: brand Sylvania, construction Pentode, socket Noval (B9A), maximum plate voltage 300 V, and maximum plate dissipation 2.5 W. The archive does not yet hold a photographed example of this type.

BrandSylvania
ClassSingle Diode Sharp Cutoff Pentode
BaseNoval (B9A)
Filament6.3 V @ 450 mA

Construction

Primary TypePentode
EnvelopeT-6 1/2
Sections2

Filament / Heater

Heater NotesHeater warm-up time is 11 seconds.

Absolute Maximum Ratings

Plate Voltage300 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section Class A1 Amplifier200 V6200300000—9.5 mA

Application Notes

The pentode section may be used as an IF amplifier, video amplifier, and AGC amplifier. The diode can be used as an audio detector, video detector, or DC restorer.

Datasheets

Datasheet: 6AS8.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
    Plate Dissipation2.5 W
    Grid 2 Voltage300 V
    H-C Voltage200 V

    Audio Performance

    Key Features
    • Sharp cutoff pentode
    • High perveance diode
    • Miniature envelope