• Country
• Germany

• Manufacturer / Brand
• Isaria Zählerwerke AG; München

• Year
• 1927/1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 15127

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

• Number of Tubes
• 3

• Valves / Tubes

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

• Tuned circuits
• 1 AM circuit(s)

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: R3 [neu] - Isaria Zählerwerke AG; München

• Shape
• Tablemodel, slant panel.

• Notes
• eingebaute Spule.

• Price in first year of sale
• 90.00 RM +

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

• Source of data
• Radio-Quelle Leipzig. Großer Katalog 1927 / Radiokatalog Band 2, Ernst Erb

• Other Models

• Here you find 37 models, 28 with images and 13 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Isaria Zählerwerke AG; München