• Country
• Germany

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

• Year
• 1915

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 203823

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

• Number of Tubes
• 4

• Valves / Tubes
• EVN94 EVN94 EVN94 EVN94

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: Vierröhren-Niederfrequenzverstärker EV136 - Telefunken Deutschland TFK,

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

• Notes
• Verstärkung 1500fach

• Net weight (2.2 lb = 1 kg)
• 11.4 kg / 25 lb 1.8 oz (25.11 lb)

• Literature/Schematics (1)
• P. den Boer

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 3564 models, 3149 with images and 2114 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