• Country
• Germany

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

• Year
• 1929–1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15696

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

• Number of Tubes
• 15

• Valves / Tubes
• REN804 REN804 REN804 REN804 REN804 REN1104 RE604 RE604 RE604 RE604 RE604 RE604 RGN2004 RGN2004 RGN2004

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC) / 115-240 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Imperator L45aW - Lange GmbH, Johannes; Plauen i

• Shape
• Console, Lowboy (legs < 50 %).

• Dimensions (WHD)
• 700 x 1250 x 500 mm / 27.6 x 49.2 x 19.7 inch

• Notes
• 6 x RE604 in Gegentakt. 3 x RGN2004. Preis mit Röhren.

• Price in first year of sale
• 2,543.00 RM

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

• Source of data
• Katalog Radio-Zentrale Prohaska 1930/31 (dick) / Radiokatalog Band 2, Ernst Erb

• Circuit diagram reference
• FS-Bestückungstab. (wahrsch. m.Fehler)

• Mentioned in
• Die Sendung (Nr. 35, 1929)

• 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