• Country
• Germany

• Manufacturer / Brand
• Steffens Köln Elektro-Akustik; Köln-Lindenthal

• Year
• 1970 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 149511

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 30 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Mischverstärker V681 - Steffens Köln Elektro-Akustik;

• Shape
• Tablemodel, low profile (big size).

• Notes
• Steffens V 681 Mischverstärker;
  30 Watt Sinus-Dauerton, DIN-, Bananensteckerbuchsen und prof. Eingangsbuchsen, 66 VA Leistungsaufnahme.

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

• Other Models

• Here you find 6 models, 6 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Steffens Köln Elektro-Akustik; Köln-Lindenthal