• Country
• Germany

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

• Year
• 1933

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 115885

• • Brand: Isophon

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Dynamo Permanent 303 - Isophon, E. Fritz & Co. GmbH.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 370 x 350 x 180 mm / 14.6 x 13.8 x 7.1 inch

• Notes
• Mit Ausgangsübertrager für alle gebräuchlichen Endröhren (lt. Werbeblatt).

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

• Price in first year of sale
• 56.00 RM

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Jens Dehne. 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