• Country
• Germany

• Manufacturer / Brand
• Aeriola Ges.m.b.H.; Berlin

• Year
• 1925–1927

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 13854

• • Brand: Radio-Baby

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• Audio-Amplification

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: NV9 II - Aeriola Ges.m.b.H.; Berlin

• Notes
• NF-Verstärker zu Empfänger Type E9 passend. Bild in #615, Radio-Henkel 1925

• Price in first year of sale
• 54.00 RM

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

• Source of data
• Radio-Bauer, Kat. Nr. 6, April 1927 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radio-Henkel: Radiokataolog 1925

• Other Models

• Here you find 32 models, 24 with images and 7 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Aeriola Ges.m.b.H.; Berlin