• Country
• Germany

• Manufacturer / Brand
• Beyer; Berlin, später Beyerdynamic; Heilbronn

• Year
• 1951/1952

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 123205

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 42 cm = 16.5 inch

• Material
• Various materials

• from Radiomuseum.org
• Model: Exponentialhorn - Lautsprecher EH100 - Beyer; Berlin, später

• Dimensions (WHD)
• 420 x 420 x 500 mm / 16.5 x 16.5 x 19.7 inch

• Notes
• Frequenzbereich 180 - 8000 Hz, Permanentfeld, Wiederstand 15 Ohm, Reichweite im freien ca. 1800 m, für Polizei und Feuerwehr.

• Net weight (2.2 lb = 1 kg)
• 32 kg / 70 lb 7.8 oz (70.485 lb)

• Price in first year of sale
• 1,600.00 DM

• Source of data
• Kat.d.Rundf.GrossH.1951/52

• Mentioned in
• -- Original prospect or advert (Beyer 1950)

• Author
• Model page created by Karlheinz Fischer. See "Data change" for further contributors.

• Other Models

• Here you find 149 models, 140 with images and 55 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Beyer; Berlin, später Beyerdynamic; Heilbronn