• Country
• Germany

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

• Year
• 1927/1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 4869

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

• Number of Tubes
• 3

• Valves / Tubes
• RE054 RE054 RE134 or VT139_TKD

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage and/or dry batteries / 100+4 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Heimfunk 7 - Tefag; Telephon

• Dimensions (WHD)
• 260 x 195 x 173 mm / 10.2 x 7.7 x 6.8 inch

• Net weight (2.2 lb = 1 kg)
• 2.4 kg / 5 lb 4.6 oz (5.286 lb)

• Source of data
• Radiokatalog Band 1, Ernst Erb

• 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