• Country
• Germany

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

• Year
• 1955 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 171879

• Number of Tubes
• 6

• Valves / Tubes
• EF12 EF12 EF12 EL12 EL12 EYY13

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 127; 220; 240 Volt

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

• Power out
• 25 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Normverstärker 25W NV4147 [2 regelbare Eingänge] - Funkwerk Kölleda, VEB, RFT, -

• Shape
• Chassis only or for «building in»

• Notes
• Normverstärker-Einschub für eine Ausgangsleistung von 25 Watt an 400 Ohm (100-Volt-Technik). Diese Variante besitzt zwei getrennt regelbare NF-Eingänge.

• Net weight (2.2 lb = 1 kg)
• 11.5 kg / 25 lb 5.3 oz (25.33 lb)

• Author
• Model page created by Frithjof Grassmann. See "Data change" for further contributors.

• Other Models

• Here you find 127 models, 103 with images and 45 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.)