• Country
• Austria

• Manufacturer / Brand
• Jacobi; Radio-, Telegraphen- und Telephonwerke H. Jacobi & Co.; Wien

• Year
• 1928–1930

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 9210

• • alternative name: Vocaphon-Radio-Vertriebsgesellschaft

• Number of Tubes
• 4

• Valves / Tubes

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

• Tuned circuits
• 2 AM circuit(s)

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

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

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Megadyne Hann5 21500 - Jacobi; Radio-, Telegraphen-

• Notes
• «Hochleistungsempfänger» [Radio Walter 1928B]

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• Price in first year of sale
• 420.00 öS +

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

• Source of data
• Radiokatalog Band 2, Ernst Erb

• Mentioned in
• Museums Bote, Österr. (Heft 98/2000, S.3 ff, erwähnt in Firmengeschichte)

• Other Models

• Here you find 53 models, 32 with images and 5 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Jacobi; Radio-, Telegraphen- und Telephonwerke H. Jacobi & Co.; Wien