• Country
• Germany

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

• Year
• 1937 ?

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 134031

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 90/4 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Kondensatormikrofon SM 4 - Siemens & Halske, -Schuckert

• Dimensions (WHD)
• 350 x 100 x 100 mm / 13.8 x 3.9 x 3.9 inch

• Notes
• Mit Vorverstärker SMV1 (90/4 V). 200 Ohm.

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 2522 models, 2119 with images and 1334 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