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

EL33

1 archive entry

BrandMullard
ClassOutput Pentode
BaseOctal
Filament6.3 V @ 0.9 mA

Construction

Primary TypePentode
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesA.C. mains-operated equipment

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation9 W
Grid 2 Voltage275 V
Grid 1 Voltage-1.3 V
Cathode Current55 mA
H-C Voltage50 V

Audio Performance

Typical THD10%
Power Output4 W
Key Features
  • High-sensitivity
  • Indirectly heated

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A Amplifier250 V9000500002336 mA
Push-Pull (Two Valves)250 V———48 mA

Application Notes

High-sensitivity output pentode for use in A.C. mains-operated equipment.

Datasheets

Datasheet: EL33.pdf

Download PDF
Loading datasheet...

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

Filters

1 tube found

Manufacturers

Brands

Mullard1

Related tube numbers

6AG61
  • Mullard EL33, 6AG6 tube — photo 1 of 2
    Mullard EL33, 6AG6 tube — photo 2 of 2

    Use the Left and Right Arrow keys to browse photos. Use Home for the first photo and End for the last photo.

    Photo 1 of 2

    EL33, 6AG6

    Brand
    Mullard
Showing 1–1 of 1 results