• Year
  • 1934–1936 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 118122

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and Short Wave.
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 220 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Sferik 620 - ETA spol. s r.o., Prague
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 353 x 440 x 230 mm / 13.9 x 17.3 x 9.1 inch
  • Notes
  • Probably not all pictures belong to the 620 Sferik. The original manufacturer add shows cabinet with 4 vertical lines and 4 tubes.

     

     

  • Price in first year of sale
  • 1,390.00 Kc
  • Source of data
  • -- Collector info (Sammler)
  • Literature/Schematics (1)
  • Radiojournal (CZ) 21/95
  • Author
  • Model page created by Gabriel Toth. See "Data change" for further contributors.

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The model Sferik is part of the collections of the following members.

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