• Year
  • 1939
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 148126

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Zweikreis-Empfänger E 521 S1/39 [Na305355] - Telefunken Deutschland TFK,
  • Shape
  • Boatanchor (heavy military or commercial set >20 kg).
  • Dimensions (WHD)
  • 570 x 270 x 350 mm / 22.4 x 10.6 x 13.8 inch
  • Notes
  • Telefunken Zweikreis- Allwellen - Empfänger E 521 S1/39: Empfangsbereich 125-20000 kHz (Bereiche 125-400 / 370-1160 / 1100-3800 / 3500-5500 / 4900-7700 / 6800-10700 / 9000-14000 / 13500-20000 kHz, Trommeltuner), Betriebsarten A1, A2, A3.
    Passendes Netzanschlussgerät EN 410 N (Heizspannung 4V/0,55A; Anodenspannung 90V/18 mA).
    Spätere Varianten E 521 S3/39 = E 521 N (Änderungen unklar) und E 521 S 2/40 (1940, vollentglimmert, automat. Gittervorspannung).
  • Net weight (2.2 lb = 1 kg)
  • 22 kg / 48 lb 7.3 oz (48.458 lb)
  • Author
  • Model page created by Bernhard Nagel. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum