• Country
• Austria

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

• Year
• 1926–1930

• Category
• Detector-Radio (Crystal or diode, without tubes/transistors)

• Radiomuseum.org ID
• 10028

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

• Main principle
• Crystal or Solid State Detector; Crystal-detection 1 circuit (no tubes)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Kristall-Detektor-Apparat 74100 - ÖTAG; Österreichische

• Dimensions (WHD)
• 45 x 120 x 45 mm / 1.8 x 4.7 x 1.8 inch

• Notes
• stehende Spule, Schiebespulen-Abstimmung; 200-600 m.

• Net weight (2.2 lb = 1 kg)
• 0.3 kg / 0 lb 10.6 oz (0.661 lb)

• Price in first year of sale
• 9.00 öS

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• -- Original prospect or advert / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Funkgeschichte der GFGF (8650)

• Literature/Schematics (1)
• RADIOBOTE, Österr. (Heft 47/2013, S.7 ff, Gerätebeschreibung)

• Other Models

• Here you find 99 models, 62 with images and 17 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