Reference Series 105.4 SP1120

KEF Electronics; Tovil, Maidstone, Kent

  • Year
  • 1980
  • Category
  • Loudspeaker, headphone or earphone
  • Radiomuseum.org ID
  • 314903

 Technical Specifications

  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • 4 Loudspeakers
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Reference Series 105.4 SP1120 - KEF Electronics; Tovil,
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 936 x 350 x 380 mm / 36.9 x 13.8 x 15 inch
  • Notes
  • 4-way hi-fi floorstanding loudspeakers finished in walnut, teak, rosewood or black ash veneers with black grille fabric. With a 25mm tweeter, 110mm mid range unit and two 200mm bass units.

    Specification  
    Frequency range 55Hz to 20kHz ±2dB at 2m on design axis
    (-10dB at 30Hz and 30kHz)
    Directional characteristics Within 1dB of response on design axis
    up to 20,000Hz for ±5° vertically
    up to 10,000Hz for ±20° horizontally
    Maximum output 108dB spl on programme peaks under typical listening conditions
    Characteristic sensitivity 86dB spl at 1m on measuring axis for pink noise input of  1W level (anechoic conditions)
    Distortion Second harmonic less than 1% from 50-20,000Hz
    Third harmonic less than 1% from 30-20,000Hz
    Measured at 1m on measuring axis at mean spl of 90dB
    Enclosures Low frequency enclosure: 40 litres
    Mid and high frequency enclosure: 8.5 litres
    Power handling capacity Programme rating 200 W
    Electronic protection
    (S-STOP)
    The system is protected against any continuous or intermittent fault conditions which produce input signals not greater than 70V peak from DC to 50kHz
    Nominal impedance 8 Ω
    Peak level indicator LED flashes to indicate input power level of 200W
    Listening window indicator LED glows continuously to indicate orientation of head assembly and facilitate alignment of listening window
  • Net weight (2.2 lb = 1 kg)
  • 22 kg / 48 lb 7.3 oz (48.458 lb)
  • Mentioned in
  • -- Original prospect or advert (KEF Reference Series Model 105.4 brochure)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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