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  • HALSON model unknown

  • Manufacturer/Brand: S. Zafirov i Sinov
  • Year: 1940?
  • Principle: Super-Heterodyne (
  • Tuned circuits: 6 AM circuit(s)
  • Wave bands: Broadcast plus 2 S
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  • HERZ model 68

  • Manufacturer/Brand: Kr. Grigorov, Sofi
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
  • Power type and voltage: Alternating Curren
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  • HERZ model unknown

  • Manufacturer/Brand: Kr. Grigorov, Sofi
  • Year: 1941
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
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  • HERZ model unknown 2

  • Manufacturer/Brand: Kr. Grigorov, Sofi
  • Year: 1941
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
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  • HERZ model unknown 3

  • Manufacturer/Brand: Kr. Grigorov, Sofi
  • Year: 1939
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
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  • HERZ model unknown 4

  • Manufacturer/Brand: Kr. Grigorov, Sofi
  • Year: 1939
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
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  • HORNIPHON Super-Prinz 3

  • Manufacturer/Brand: Horny (Hornyphon);
  • Year: 1935/1936
  • Principle: Super-Heterodyne (
  • Tuned circuits: 7 AM circuit(s);
  • Wave bands: Broadcast, LW, MW,
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  • IMPERATOR 624W

  • Manufacturer/Brand: Bulgaria
  • Year: 1941
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
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  • IRA A3472

  • Manufacturer/Brand: Dimitar Krepiev, S
  • Year: 1939
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
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  • IRO model unknow

  • Manufacturer/Brand: Ivan Rojev, Sofia,
  • Year: 1941
  • Principle: Super-Heterodyne (
  • Tuned circuits: N/A
  • Wave bands: Broadcast, LW, MW,
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