7-B Peerless Magnetic Reproducer

United Radio Corporation (Peerless); Rochester NY

  • Year
  • 1928 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 102711

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic. / Ø 20 cm = 7.9 inch
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7-B Peerless Magnetic Reproducer - United Radio Corporation
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 235 x 235 x 148 mm / 9.3 x 9.3 x 5.8 inch
  • Notes
  • Magnetic speaker in wooden cabinet for mounting inside of a radio cabinet; annular ring of freely flexible inelastic material applied between the paper cone and steel front. Frame as 7-A (in cathedral cabinet model); uses also a U-shaped permanent magnet that surrounds an actuating winding driving a piston which connects to the speaker cone. Input impedance about 1450 ohms; suitable for any output from '01A tubes.

     

  • Net weight (2.2 lb = 1 kg)
  • 2 kg / 4 lb 6.5 oz (4.405 lb)
  • Price in first year of sale
  • 14.00 $
  • Literature/Schematics (1)
  • Chicago Salvage Stock Store catalogue, 1928?
  • Author
  • Model page created by Vitor Oliveira. See "Data change" for further contributors.

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The model 7-B Peerless Magnetic Reproducer is part of the collections of the following members.

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