Monitor Speaker S1

Ferrograph, British Ferrograph Recorder (Wright & Weaire); London

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  • Year
  • 1972 ?
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 109412

 Technical Specifications

  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • 3 Loudspeakers
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Monitor Speaker S1 - Ferrograph, British Ferrograph
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 350 x 640 x 440 mm / 13.8 x 25.2 x 17.3 inch
  • Notes

  • 3 way loudspeakers housed in american walnut veneered polyester faced high density chipboard reflex cabinets and supplied with single pillar stands (height 37cm) finished in white with 3 swivelling castors. 18 element crossover network.

    Specification  
    Frequency Response
     
         		 45Hz - 20kHz ±3dB
    Pure sine wave radiation
    down to 30Hz in free space
    Power Rating 100W peak, 25W continuous (sine wave)
    Impedance  8Ω nominal, 6Ω minimum
    Crossover Frequencies 400Hz and 3.5kHz
    Drive Units
     
         		 LF 330 x 241mm (13 x 9.5 inch)
    MF 102mm dia. (4 inch)
    HF 25mm dia. (1 inch)
    Connections
     
         		 Two colour-coded press
    terminals, fully recessed at
    the lower rear of the cabinet
  • Net weight (2.2 lb = 1 kg)
  • 27.7 kg / 61 lb 0.2 oz (61.013 lb)
  • Mentioned in
  • -- Original-techn. papers. (The Ferrograph Monitor Speaker S1 brochure)
  • Literature/Schematics (1)
  • Reviewed in HiFi Sound magazine Nov 1972
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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