• Country
• Germany

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

• Year
• 1928/1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15659

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

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

• Number of Tubes
• 4

• Valves / Tubes

• Main principle
• TRF with regeneration; 1 Special; 2 AF stage(s); Neutrodyne

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Storage and/or dry batteries / 4 & 150 & 9 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4-Röhren-Neutrodyne Meisterstück [4 Rö.] - Lange GmbH, Johannes; Plauen i

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Notes

• auswechselbare Spulen, Gitterbatterie 9 V

  entspricht dem Modell L21, wird von Lange als sein "Meisterstück" mit 4 Röhren genannt.

• Price in first year of sale
• 195.00 RM

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

• Source of data
• Katalog Prohaska 1928/29 / Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Radio-Bauer, Kat. Nr. 6, April 1927 (1928, S.19)

• Literature/Schematics (1)
• Radio-Web. Der große Europa-Katalog 1930 (S.227)

• Other Models

• Here you find 126 models, 97 with images and 44 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Lange GmbH, Johannes; Plauen i. Vogtland