• Country
• Germany

• Manufacturer / Brand
• Lange GmbH, Johannes; Plauen i. Vogtland

• Year
• 1928/1929

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 15674

• • alternative name: Vogtländische Radio-Gesellschaft mbH
  • Brand: Longa

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 1

• Valves / Tubes

• Main principle
• Audio-Amplification

• Power type and voltage
• Storage and/or dry batteries / 4 & 90 Volt

• Loudspeaker
• - For headphones or amp.

• from Radiomuseum.org
• Model: Vorverstärker - Lange GmbH, Johannes; Plauen i

• Notes

• 2 Einstellknöpfe

  Mikrofoneingang mit Spannungsversorgung 1...4 V einstellbar. 

• Price in first year of sale
• 130.00 RM +

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

• Source of data
• Radio-Diehr, Berlin, 1928/1929 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 126 models, 97 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lange GmbH, Johannes; Plauen i. Vogtland