• Country
• Austria

• Manufacturer / Brand
• ÖTAG; Österreichische Telefonfabriks-AG, vorm. J. Berliner; Wien

• Year
• 1925 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 137578

• • alternative name: Österreichische Telephonfabriks-AG
  • Brand: Berliner

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Material
• Metal case

• from Radiomuseum.org
• Model: Doppelkopfhörer - ÖTAG; Österreichische

• Notes
• Luftspalt von außen einstellbar.

• Author
• Model page created by Jürgen Tiedmann. See "Data change" for further contributors.

• Other Models

• Here you find 99 models, 62 with images and 16 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from ÖTAG; Österreichische Telefonfabriks-AG, vorm. J. Berliner; Wien