• Country
• Germany

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

• Year
• 1978

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 141865

• Wave bands
• - without

• Power type and voltage
• No Power needed

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Al 2000 - Heco, Hennel & Co. KG;

• Shape
• Miscellaneous shapes - described under notes.

• Notes
• Geschlossene, akustisch bedämpfte Breitbandbox in Kugelform mit 165mm Durchmesser.
  20 Watt Sinus an 4 Ohm. Übertragungsbereich 60-15000Hz. Bruttovolumen: 2,4 Liter 1 Breitbandlautsprecher 100mm.

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 138 models, 136 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)