• Country
• Germany

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

• Year
• 1960 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 280643

• • Brand: Isophon

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 30 cm = 11.8 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: Rund-Lautsprecher P 30/31/10 T - Isophon, E. Fritz & Co. GmbH.;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 300 x 300 x 0 mm / 11.8 x 11.8 x 0 inch

• Author
• Model page created by a member from D. 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