• Country
• Germany

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

• Year
• 1931

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 331963

• • Brand: Isophon

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Magnetic loudspeaker (reed) of high quality (4 magnet poles). / Ø 35.5 cm = 14 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Chassis C44 - Isophon, E. Fritz & Co. GmbH.;

• Shape
• Chassis only or for «building in»

• Notes

• Einbau-Chassis mit System S4.

• Price in first year of sale
• 39.00 RM

• Mentioned in
• -- Original prospect or advert (La Radio Per Tutti, Italy, number 2 15 gennaio 1931)

• Literature/Schematics (1)
• Radio Melzer Katalog, 1931

• 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