• Country
• Sweden

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

• Year
• 1948

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 346527

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) / Ø 8 inch = 20.3 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Sinus Högtalarelement PM-88 - Svenska Högtalarefabriken

• Shape
• Chassis only or for «building in»

• Notes

• Magnet

  • Magnetic induction (magnetic flux density), Gauss: 7 700 (1948).

  Voice coil

  • Diameter, mm: 25 (1948).
  • Impedance, Ohm: 8 (1948), 20 (unknown date).

   

  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: 9 000.

  Voice coil

  • Maximum power, Watt: 5.
  • Impedance, Ohm: 8.

  Diaphragm

  • Resonance frequency, Hz: 75.
  • Frequency range, Hz: 45 – 14 000.

  Mechanical data

  • Dimensions LxW, mm: ⌀212.
  • Dimensions D, mm: 107.

• Mentioned in
• -- Original prospect or advert (SWE: Populär Radio 1948 nr 2 p 2)

• Literature/Schematics (1)
• - - Manufacturers Literature (NL: Radio Electronica 1959-06 p280-281 and 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