Columbus 109 (109B)

Brandt (Roland Brandt); Berlin

  • Year
  • 1935–1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 1026
    • alternative name: Motorfahrzeug-Fabrik

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

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 2 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 150+4 Volt
  • Loudspeaker
  • Magnetic loudspeaker (reed) of high quality (free mooving - only possible past 1931).
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Columbus 109 - Brandt Roland Brandt; Berlin
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 350 x 410 x 195 mm / 13.8 x 16.1 x 7.7 inch
  • Net weight (2.2 lb = 1 kg)
  • 4.5 kg / 9 lb 14.6 oz (9.912 lb)
  • Price in first year of sale
  • 110.00 RM
  • Circuit diagram reference
  • Lange+Schenk+FS-Röhrenbestückung

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