• Country
• Germany

• Manufacturer / Brand
• Deutsche Radiophon AG (Haas & Schmidt), Berlin-Cöpenick

• Year
• 1924/1925

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 14178

• • Brand: Radiophon

• 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, TUBES VISIBLE.

• from Radiomuseum.org
• Model: NF-Verstärker EV107 - Deutsche Radiophon AG Haas &

• Shape
• Tablemodel, slant panel.

• Dimensions (WHD)
• 160 x 130 x 110 mm / 6.3 x 5.1 x 4.3 inch

• Notes
• für E24 oder E26; Trafokopplung.

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• Info Dr. H. Börner without schematic

• Mentioned in
• Funkgeschichte der GFGF (9073)

• Other Models

• Here you find 12 models, 8 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Deutsche Radiophon AG (Haas & Schmidt), Berlin-Cöpenick