• Country
• Germany

• Manufacturer / Brand
• Lorenz; Berlin, Zuffenhausen u.a.

• Year
• 1923/1924

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 2900

• • Brand: SEL

• Number of Tubes
• 2

• Valves / Tubes

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ergee-Verstärker ANV223 - Lorenz; Berlin, Zuffenhausen u

• Dimensions (WHD)
• 200 x 175 x 130 mm / 7.9 x 6.9 x 5.1 inch

• Notes
• Verstärker zu RE223.

• Source of data
• Radiokatalog Band 1, Ernst Erb

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

• Other Models

• Here you find 730 models, 584 with images and 353 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lorenz; Berlin, Zuffenhausen u.a.