• Country
• Austria

• Manufacturer / Brand
• Zerdik; Wien

• Year
• 1930/1931

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 10990

• Number of Tubes
• 4

• Valves / Tubes
• E442 E442 C443 1561

• Power type and voltage
• Alternating Current supply (AC) / 110; 125; 150; 220 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 3 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: NF-Verstärker KV3 - Zerdik; Wien

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

• Notes
• Gegentakt-Verstärker mit einer unverzerrten Ausgangsleistung von 3 Watt (Anodenverlustleistung 25 Watt).

• Price in first year of sale
• 980.00 ATS

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Bastelbriefe der Drahtlosen (3037)

• Other Models

• Here you find 166 models, 115 with images and 76 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zerdik; Wien