• Country
• Germany

• Manufacturer / Brand
• Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH

• Year
• 1921 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 218266

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

• Number of Tubes
• 2

• Valves / Tubes
• RE11 RE11

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Storage and/or dry batteries

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

• Power out
• 0.2 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: EVN 285e Export - Telefunken Deutschland TFK,

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 220.5 x 190 x 90 mm / 8.7 x 7.5 x 3.5 inch

• Notes
• NF-Verstärker EVN 285e. Aus "Die Electricität und ihre Anwendungen", 1922.
  Alle Aufschriften sind in Spanischer Sprache. Export für Spanien oder Lateinamerika.

• Net weight (2.2 lb = 1 kg)
• 4.750 kg / 10 lb 7.4 oz (10.463 lb)

• Author
• Model page created by Rodolfo Gaston Wenceslao Nasasta. See "Data change" for further contributors.

• Other Models

• Here you find 3559 models, 3144 with images and 2111 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH