• Country
• Austria

• Manufacturer / Brand
• Zerdik; Wien

• Year
• 1933/1934

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 11032

• Number of Tubes
• 5

• Valves / Tubes
• E446 E447 E444 F443N 1561

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

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

• Power out
• 8 W (unknown quality)

• from Radiomuseum.org
• Model: NF-Verstärker R1478 - Zerdik; Wien

• Notes
•  

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• 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