• Year
  • 1938/1939
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 245399
    • alternative name: Gravor

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 27 cm = 10.6 inch
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Energos Permanent Lautsprecher - Grawor, Rundf.techn.Erz. Grass
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 310 x 340 x 160 mm / 12.2 x 13.4 x 6.3 inch
  • Notes
  • Lautsprecherchassis für Großübertragungsanlagen, z.B. Rundstrahler A.

    Membrandurchmesser: 27 cm
    Korbdurchmesser: 31 cm
    Maximalbelastung: 12 W
    Impedanz: 4 Ω bei 1000 Hz
    Feldstärke: 10000 Gauß
    Anpassungs-Trafo: Universal 5006
    Anpassung: 140 - 12000 Ω in 10 Gruppen

  • Net weight (2.2 lb = 1 kg)
  • 7.8 kg / 17 lb 2.9 oz (17.181 lb)
  • Price in first year of sale
  • 136.00 RM
  • Mentioned in
  • Arlt Katalog "Moderne Bastelteile" 1938/39
  • Literature/Schematics (1)
  • Handbuch des dt. Rundfunkhandels 38/39
  • Author
  • Model page created by Wolfgang Eckardt. See "Data change" for further contributors.

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