• Country
• Germany

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

• Year
• 1975 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 221637

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Planet PL502 - Heco, Hennel & Co. KG;

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 210 x 320 x 160 mm / 8.3 x 12.6 x 6.3 inch

• Notes
• 2-Wege-Box; 40-18000 Hz; 4-8 Ohm; Übergangsfrequenz 4000 Hz; Belastbaekeit 30/50 W.

• Author
• Model page created by Konrad Birkner † 12.08.2014. 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)