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
UCL83 vacuum tube outline illustration

Tube-number record

UCL83

0 archive entries

UCL83 is a tube type in the TubeDatabase archive (class: Triode-Pentode). Recorded specifications: brand Mullard, construction Pentode, socket Noval (B9A), maximum plate voltage 250 V, and maximum plate dissipation 5.4 W. The archive does not yet hold a photographed example of this type.

BrandMullard
ClassTriode-Pentode
BaseNoval (B9A)
Filament38 V @ 100 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsTriode, Pentode

Filament / Heater

Heater NotesSuitable for series operation a.c. or d.c.

Absolute Maximum Ratings

Plate Voltage250 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pentode Section Class A170 V5500530001030 mA
Triode Section170 V210040000821.6 mA
Triode Section200 V250034000852.4 mA

Application Notes

Intended for use in audio frequency applications.

Datasheets

Datasheet: UCL83.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 Dissipation5.4 W
    Grid 2 Voltage250 V
    Cathode Current45 mA
    H-C Voltage250 V

    Audio Performance

    Typical THD10%
    Power Output2.2 W
    Key Features
    • Separate cathodes
    • 100mA heater
    • Combined triode and output pentode