• Country
• Germany

• Manufacturer / Brand
• Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München

• Year
• 1951/1952

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 5251

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

• Number of Tubes
• 5

• Valves / Tubes
• EF41 ECH42 EAF42 EAF42 EL41

• Number of Transistors

• Semiconductors
• 7946-07

• Main principle
• Superhet with RF-stage; ZF/IF 468 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and 2 x Short Wave.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6; 12 Volt

• Loudspeaker
• - This model requires external speaker(s).

• from Radiomuseum.org
• Model: SB603AB [1952] - Siemens & Halske, -Schuckert

• Notes
• Bln

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 2523 models, 2120 with images and 1333 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München