• Country
• Germany

• Manufacturer / Brand
• Brandt (Roland Brandt); Berlin

• Year
• 1935/1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1028

• • alternative name: Motorfahrzeug-Fabrik

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

• Number of Tubes
• 4

• Valves / Tubes
• AF7 AF7 AL1 AZ1

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

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC)

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Columbus 217W - Brandt Roland Brandt; Berlin

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 370 x 390 x 245 mm / 14.6 x 15.4 x 9.6 inch

• Price in first year of sale
• 218.00 RM

• Source of data
• Katalog Radio-Zentrale Alex v. Prohaska 1935/1936 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Röhren in FS-Bestückungstabellen

• Other Models

• Here you find 237 models, 172 with images and 136 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Brandt (Roland Brandt); Berlin