• Country
• Germany

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

• Year
• 1974

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 142346

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

• Number of Transistors
• 28

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Power out
• 100 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Leistungverstärker V668/1 - Telefunken Deutschland TFK,

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 370 x 123 x 296 mm / 14.6 x 4.8 x 11.7 inch

• Notes
• Sinus-Dauerton 100 Watt (100 Volt an 100 Ohm)

• Mentioned in
• Original Telefunken Service Unterlagen

• Author
• Model page created by Josef Pilz. See "Data change" for further contributors.

• Other Models

• Here you find 3554 models, 3139 with images and 2102 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