• Country
• Germany

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

• Year
• 1982 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 164338

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave, Short Wave plus FM or UHF.

• Power type and voltage
• Batteries / addl. power jack / AA: 4 x 1.5 / DC 6 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7.5 cm = 3 inch

• Power out
• 0.4 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: RK-620/4 - Siemens & Halske, -Schuckert

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 170 x 100 x 38 mm / 6.7 x 3.9 x 1.5 inch

• Notes
• MW/LW/KW/FM-4 Band Radio (FM-Stereo), Power-und Tuning Anzeige über LEDs, Anschluß für ext. Netzgerät (DC 6 Volt), Mono-Stereo Schalter, Kopfhöreranschluß über Klinkenbuches 3,5 mm, Teleskopantenne 67 cm, (Code: 6702)

• Net weight (2.2 lb = 1 kg)
• 0.460 kg / 1 lb 0.2 oz (1.013 lb)

• Literature/Schematics (1)
• -- Original-techn. papers.

• Author
• Model page created by Museum Roggenhofer. 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