• Country
• Germany

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 1009

• • alternative name: Motorfahrzeug-Fabrik

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

• Number of Tubes
• 4

• Valves / Tubes
• RENS1284 AB1 RES964 RGN1064

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

• Tuned circuits
• 2 AM circuit(s)

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

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Columbus 170W - Brandt Roland Brandt; Berlin

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

• Dimensions (WHD)
• 370 x 395 x 240 mm / 14.6 x 15.6 x 9.4 inch

• Price in first year of sale
• 208.00 RM

• Source of data
• Radio-Katalog Fricke, Radio Groß-Vertrieb, 1934/35 / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange+Schenk+FS-Röhrenbestückung

• 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