Super 20 (var b) K20 or KL20 big Ri

Baltic; Stockholm

  • Year
  • 1927/1928
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 18144

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Super 20 K20 or KL20 [big Ri] - Baltic; Stockholm
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 650 x 230 x 245 mm / 25.6 x 9.1 x 9.6 inch
  • Notes
  • Variant b «big Ri (15-25K)». The tube given in the "Funkschau Röhrenbestückungstabelle", which was made much later, is RE084 from 1928 instead of one of the older ones. We have put in RE144 instead.
  • Net weight (2.2 lb = 1 kg)
  • 8.3 kg / 18 lb 4.5 oz (18.282 lb)
  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Röhren in FS-Bestückungstabellen

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