• Country
• Italy

• Manufacturer / Brand
• Siemens Italia; Milano

• Year
• 1951/1952

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 104468

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 5

• Valves / Tubes
• UCH42 UAF42 UAF42 UL41 UY41

• Main principle
• Superheterodyne (common); ZF/IF 469 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 145; 160; 220 Volt

• Loudspeaker
• Presumably Dynamic Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: S552 - Siemens Italia; Milano

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 550 x 290 x 210 mm / 21.7 x 11.4 x 8.3 inch

• Notes

• Onde Medie e 4 gamme allargate di onde Corte: 49, 41, 31 e 25 metri.
  Ingresso fono. Sintonia ad induttori variabili.

  Sebbene le corrispondenti fotografie da cataloghi e lo schema indichino nome SM552, la targhetta all'interno della radio indica per questo modello S552.

• Source of data
• Guida Pratica Antique Radio IV (2001)

• Literature/Schematics (1)
• Collezione di Schemi, Scuola Radio Elettra 1953 (pag. 157)

• Literature/Schematics (2)
• -- Schematic (Il Radio Libro D.E. Ravalico 13a edizione Hoepli editore 1952.)

• Author
• Model page created by Alessandro De Poi. See "Data change" for further contributors.

• Other Models

• Here you find 214 models, 158 with images and 164 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens Italia; Milano