• Year
  • 1937/1938
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 75651

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Helios 681 Permanent - Grassmann, RFW, Radio-Funk-
  • Shape
  • Tablemodel, high profile (upright - NOT Cathedral nor decorative).
  • Dimensions (WHD)
  • 410 x 530 x 270 mm / 16.1 x 20.9 x 10.6 inch
  • Notes
  • Tischlautsprecher im Holzgehäuse mit Universal-Anpassungstrafo 500/4000/15000 Ohm; Spulenimpedanz 3,5 Ohm. Maximalbelastbarkeit: 10 W.
  • Net weight (2.2 lb = 1 kg)
  • 9.5 kg / 20 lb 14.8 oz (20.925 lb)
  • Price in first year of sale
  • 128.00 RM
  • Author
  • Model page created by Michael Seiffert. See "Data change" for further contributors.

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