• Country
• Germany

• Manufacturer / Brand
• Tefag; Telephon Aktiengesellschaft vorm. J. Berliner

• Year
• 1929–1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 4847

• • alternative name: Telephon-Fabrik, AG vorm. J. Berliner

• Number of Tubes
• 3

• Valves / Tubes
• REN1004 RE134 RGN1500

• Main principle
• TRF with regeneration; 1 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

• Loudspeaker
• Magnetic loudspeaker (reed) generic.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Tefagon 23L [Wechselstrom] - Tefag; Telephon

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 380 x 380 x 160 mm / 15 x 15 x 6.3 inch

• Notes
• [569]

• Price in first year of sale
• 180.00 RM !

• Source of data
• Arlt's grosser Radiokatalog 1930 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1930/31 (dick)

• Literature/Schematics (2)
• Katalog: Ohlendorf u. Francke, Hannover, 1929/30, Seite 42

• Other Models

• Here you find 262 models, 180 with images and 108 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tefag; Telephon Aktiengesellschaft vorm. J. Berliner