• Country
• Germany

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

• Year
• 1929/1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 4840

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

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• REN1004 REN804 RE604 R250

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

• Tuned circuits
• 1 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 125-220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 1.8 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Kraftverstärker K1,8 - Tefag; Telephon

• Dimensions (WHD)
• 620 x 370 x 300 mm / 24.4 x 14.6 x 11.8 inch

• Notes

• Empfänger mit Kraftverstärker.

• Price in first year of sale
• 240.00 RM +

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

• Circuit diagram reference
• FS-Bestückungstab. (wahrsch. m.Fehler)

• 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