• Country
• Germany

• Manufacturer / Brand
• Samson, Margot; Osburg

• Year
• 1980 ??

• Category
• Amateur Equipment (Other, but not Key)

• Radiomuseum.org ID
• 284483

• • Brand: ETM

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

• Number of Transistors
• 4

• Semiconductors
• BC548 BC548 BC548 BC237

• Power type and voltage
• Batteries / addl. power jack / 6 Volt

• Material
• Metal case

• from Radiomuseum.org
• Model: ETM-1C [Version 1] - Samson, Margot; Osburg

• Dimensions (WHD)
• 65 x 36 x 108 mm / 2.6 x 1.4 x 4.3 inch

• Notes

• Erste Version des Keyers, möglicherweise nur als Bausatz vertrieben.

• Mentioned in
• -- Schematic

• Author
• Model page created by Joachim Glüder. See "Data change" for further contributors.

• Other Models

• Here you find 19 models, 17 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Samson, Margot; Osburg