• Year
  • 1956 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 85187
    • Brand: Supraphon

 Technical Specifications

  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 18 cm = 7.1 inch
  • Power out
  • 5 W (unknown quality)
  • Material
  • Bakelite case
  • from Radiomuseum.org
  • Model: Bärenohr ARS217 - Tesla; Praha, Bratislava etc.
  • Dimensions (WHD)
  • 400 x 300 x 180 mm / 15.7 x 11.8 x 7.1 inch
  • Notes
  • Designed for Wired Broadcast (NF Drahtfunk) applications, speaker Tesla ARO689, 30 Volt input, 3000 ohms, built-in volume control in 11 steps
  • Net weight (2.2 lb = 1 kg)
  • 4.2 kg / 9 lb 4 oz (9.251 lb)

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