• Country
• Germany

• Manufacturer / Brand
• Funkwerk Kölleda, VEB, RFT, - vorm. Neutrowerk, Neutro-Werk (Ostd.)

• Year
• 1951/1952

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 16540

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

• Number of Tubes
• 3

• Valves / Tubes
• AF7 AL4 AZ1

• Main principle
• Audio-Amplification

• Power type and voltage
• Alternating Current supply (AC) / 110/220 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• from Radiomuseum.org
• Model: 4-Watt-Verstärker [1951] - Funkwerk Kölleda, VEB, RFT, -

• External source of data
• E. Erb 3-907007-36-0

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Lange-Nowisch

• Other Models

• Here you find 127 models, 103 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Funkwerk Kölleda, VEB, RFT, - vorm. Neutrowerk, Neutro-Werk (Ostd.)