• Country
• Germany

• Manufacturer / Brand
• Heco, Hennel & Co. KG; Schmitten, Pulheim (auch Berlin)

• Year
• 1975 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 176121

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: SM620 - Heco, Hennel & Co. KG;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 175 x 315 x 110 mm / 6.9 x 12.4 x 4.3 inch

• Notes
• Kleine 2-Wege-Regalbox in geschlossener Bauweise. 130 mm Basschassis, Hochton-Kalotte. Nennimpedanz 4 Ohm, 20/25 W Dauer-/Musikbelastbarkeit.

• Net weight (2.2 lb = 1 kg)
• 3.8 kg / 8 lb 5.9 oz (8.37 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Eberhard Franzke. See "Data change" for further contributors.

• Other Models

• Here you find 137 models, 135 with images and 23 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heco, Hennel & Co. KG; Schmitten, Pulheim (auch Berlin)