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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

U52

5 archive entries

BrandMarconi
ClassFull-wave Rectifier
BaseOctal

Construction

Primary TypeRectifier
EnvelopeDome top
Sections2

Filament / Heater

MaterialDirectly heated

Absolute Maximum Ratings

Plate Voltage500 V
Cathode Current250 mA

Audio Performance

Key Features
  • Directly heated
  • Dome top bulb
  • Horizontal or vertical mounting

Application Notes

Vertical mounting is preferred. Horizontal operation is permitted if pins 1 and 4 are in a vertical plane.

Datasheets

Datasheet: U52.pdf

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

Filters

5 tubes found

Manufacturers

Brands

Marconi2
G.E.C.
1
M.W.T.1
Osram1

Related tube numbers

5U4G2CV10711
  • Marconi U52, 5U4G tube — photo 1 of 23
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    Marconi U52, 5U4G tube — photo 22 of 23
    Marconi U52, 5U4G tube — photo 23 of 23

    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 23

    U52, 5U4G

    Brand
    Marconi
  • Marconi U52 tube

    U52

    Brand
    Marconi
  • M.W.T. U52, 5U4G, CV1071 tube — photo 1 of 7
    M.W.T. U52, 5U4G, CV1071 tube — photo 2 of 7
    M.W.T. U52, 5U4G, CV1071 tube — photo 3 of 7
    M.W.T. U52, 5U4G, CV1071 tube — photo 4 of 7
    M.W.T. U52, 5U4G, CV1071 tube — photo 5 of 7
    M.W.T. U52, 5U4G, CV1071 tube — photo 6 of 7
    M.W.T. U52, 5U4G, CV1071 tube — photo 7 of 7

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    Photo 1 of 7

  • G.E.C. U52 tube — photo 1 of 2
    G.E.C. U52 tube — photo 2 of 2

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    Photo 1 of 2

    U52

    Brand
    G.E.C.
  • Osram U52 tube — photo 1 of 3
    Osram U52 tube — photo 2 of 3
    Osram U52 tube — photo 3 of 3

    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 3

    U52

    Brand
    Osram
Showing 1–5 of 5 results

U52, 5U4G, CV1071

Brand
M.W.T.