• Country
• Germany

• Manufacturer / Brand
• Lenzola, Lenzen & Co. (Lenzen & Röttges); Krefeld

• Year
• 1931

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 72004

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Kelch-Strahler Sieger 3 - Lenzola, Lenzen & Co. Lenzen &

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

• Dimensions (WHD)
• 380 x 400 x 170 mm / 15 x 15.7 x 6.7 inch

• Net weight (2.2 lb = 1 kg)
• 3.5 kg / 7 lb 11.3 oz (7.709 lb)

• Price in first year of sale
• 39.00 RM

• Source of data
• -- Original prospect or advert / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Paul Bretschneider Leipzig: Neue Radio-Geräte und Lautsprecher Liste Saison 1931-32

• Author
• Model page created by Arpad Roth † 27.3.17. See "Data change" for further contributors.

• Other Models

• Here you find 31 models, 25 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lenzola, Lenzen & Co. (Lenzen & Röttges); Krefeld