• Year
  • 1949/1950
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 4119

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

 Technical Specifications

  • Number of Tubes
  • 12
  • Main principle
  • Superhet with RF-stage; ZF/IF 472 kHz
  • Tuned circuits
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast, Long Wave and 2 x Short Wave.
  • Power type and voltage
  • Line / Batteries (any type) / 220 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Rundfunk-Ballempfänger Ball E-1 - Telefunken Deutschland TFK,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 530 x 330 x 390 mm / 20.9 x 13 x 15.4 inch
  • Notes
  • LW 150-400kHz, MW 510-1620kHz, KW I 12,5-25MHz, KW II 6-13MHz. AM, ALC, AFC für KW I + II, 9kHz Sperre regelbar, 5 Watt NF Ausgangsleistung für Kontroll-Lautsprecher, Empfindlichkeit 2-5 µV. Diversity-Empfang möglich/vorgesehen. Antennenimpedanz a)60 Ohm unsymetrisch b)~300 Ohm symetrisch. 220/6,3Volt Wechsel- und Gleichspannungbetrieb (unterbrechungsfreier Notstrombetrieb über externes Relais).
  • Net weight (2.2 lb = 1 kg)
  • 31.5 kg / 69 lb 6.1 oz (69.383 lb)
  • Source of data
  • Radiokatalog Band 1, Ernst Erb
  • Circuit diagram reference
  • Lange-Nowisch

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