BK28 Soprammobile

Irradio; Milano

  • Year
  • 1952
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 292196

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 467 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 127; 145; 160; 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 28 cm = 11 inch
  • Power out
  • 8 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: BK28 [Soprammobile] - Irradio; Milano
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 660 x 345 x 265 mm / 26 x 13.6 x 10.4 inch
  • Notes
  • See also the Radiogram (Radiofonografo) BK28.

  • Net weight (2.2 lb = 1 kg)
  • 12.9 kg / 28 lb 6.6 oz (28.414 lb)
  • Author
  • Model page created by Stefano Meneghini. See "Data change" for further contributors.

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