• Country
• Germany

• Manufacturer / Brand
• Isophon, E. Fritz & Co. GmbH.; Berlin

• Year
• 1931/1932

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 166373

• • Brand: Isophon

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 30 cm = 11.8 inch

• Material
• Wooden case

• from Radiomuseum.org
• Model: Epsilon [4-pol, 1931 Modell] - Isophon, E. Fritz & Co. GmbH.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 480 x 380 x 223 mm / 18.9 x 15 x 8.8 inch

• Notes
• Es gibt ein Nachfolgemodell im gleichen Gehäuse aber mit Freischwinger, sowie eine frühere Gehäusevariante mit Vierpolsystem.

• Net weight (2.2 lb = 1 kg)
• 4.1 kg / 9 lb 0.5 oz (9.031 lb)

• Price in first year of sale
• 58.00 RM

• Mentioned in
• Katalog Prohaska 1931/32

• Author
• Model page created by Stefan Klumpp. See "Data change" for further contributors.

• Other Models

• Here you find 253 models, 242 with images and 32 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Isophon, E. Fritz & Co. GmbH.; Berlin