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Russell K Red 120 Precision Audio Loudspeaker System

The Red 120 is the latest addition to the Russell K. loudspeaker family and offers high performance in a more compact cabinet. With a depth of only 19 cm this box is easy to place and does not dominate the living space.

The sound is typical Russel K. fast, natural and a deep controlled bass with perfect timing.

Cabinet

  • Dimensions H- 860mm (910mm including plinth, base and spikes) W-200mm D-190mm
  • Construction 16mm MDF all sides apart from front baffle which is 19mm.
  • Totally undamped cabinet
  • 3 acoustic loading bracing shelves with multiple apertures, mounted below the tweeter, below the bass mid driver and below the sub bass driver
  • 1 bracing shelf mounted near the bottom of the enclosure containing an internal port
  • Internal port vents into a small chamber containing a second reflex port tuned as a system to 24Hz

Drive Units

  • 2 x 5” Bass units with impregnated paper cone and curved optimised acoustic profile
  • High power Ferrite magnet driving a 25mm voice coil with aluminium former and Faraday distortion cancelling copper ring
  • 25mm soft dome tweeter
  • Ferrite magnet system
  • Copper Clad Aluminium voice coil wire on a Fibreglass Former and Faraday distortion cancelling copper ring

Crossover

  • All drivers connected in positive phase
  • Sub bass driver starts roll off at 80Hz 6db/Oct fed by “Enclosed Field Iron Core Inductor”. Features high power without saturation, very low DCR and almost no stray magnetic field
  • Bass/Mid driver crossover frequency 2200Hz nominal 12 db/Oct. Utilises an “Enclosed Field Ferrite Core Inductor “in the signal path. Very low DCR nominal stray fields
  • Tweeter attenuation by misaligned Zobel network as opposed to conventional L-Pad
  • All Drivers have only one component in the signal path
  • Phase optimised through the crossover region
  • In room usable frequency response 25Hz-22KHz (dependent on room)
  • Sensitivity: 86db 1 watt 1 Metre