• Country
• Sweden

• Manufacturer / Brand
• Svenska Högtalarefabriken (Sinus), HIFIac, HIFAB; Vårby, Bureå

• Year
• 1953 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 346677

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical

• from Radiomuseum.org
• Model: Sinus Högtalarelement PMO-230 - Svenska Högtalarefabriken

• Notes

• Elliptical speaker driver 2”x3”.

  Voice coil

  Impedance, Ohm: 4.

   

  Measurement data from the article in 4 parts "Welke Luidspreker?" by Wim van Bussel, for details see Radio Electronica (NL), 1959, numbers 6-9.

  Magnet

  • Magnetic induction (magnetic flux density), Gauss: 7 500.

  Voice coil

  • Maximum power, Watt: 1.
  • Impedance, Ohm: 8.

  Diaphragm

  • Resonance frequency, Hz: 290.
  • Frequency range, Hz:

  Mechanical data

  • Dimensions LxW, mm: 60x85.
  • Dimensions D, mm: 40.

• Mentioned in
• SWE: Radio och Television 1957 nr 5 p34

• Literature/Schematics (1)
• -- Other type before this -same/similar characteristics - see exchange. (NL: Radio Electronica 1959-09 p504-505)

• Author
• Model page created by Mandrigin Sergey. See "Data change" for further contributors.

• Other Models

• Here you find 276 models, 132 with images and 212 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Svenska Högtalarefabriken (Sinus), HIFIac, HIFAB; Vårby, Bureå