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Cambridge Audio SX-70 Centre Speaker

Cambridge Audio

The SX70 matches perfectly with the rest of the SX range both acoustically and aesthetically to bring you a home cinema experience with a powerful and detailed dialogue.
  • Crossover perfection
  • Sensitivity: 85dB
  • Weight: 4.0kg (8.8lbs)


The centre speaker has one of the most demanding roles in audio. It has to deliver critical information on the screen at the same time as tying the image from the left and right speakers into one seamless soundstage.

The SX70 centre speaker has been designed from the ground up to match perfectly with the rest of the SX range both acoustically and aesthetically to bring you an unparalleled home cinema experience.

SX-70 centre speaker detail

Solid Foundations

Great speakers begin with the cabinet. SX Series speakers use cabinets that make extensive use of CAD (Computer-Aided Design) to fully understand where they need to be braced and strengthened. Why? So that every millimetre of movement from the drivers is directed towards the listener as sound and not wasted as cabinet vibration.

SX-70 centre speaker detail

Perfect Reproduction

SX Series speakers all make use of mid bass drivers that are made from treated paper. This might not sound terribly high tech, but the impressive strength to weight ratio is matched by excellent tonality so instrumentation sounds clear, well defined and believable. Taking care of the higher frequencies is a soft dome tweeter made from treated silk that offers the same balance of realism and refinement.

SX-70 centre speaker detail

Many Drivers, One Voice

Great care and attention has gone into the design of the crossovers in SX Series. As they are entirely responsible for ensuring that each driver receives the correct frequency, we have worked hard to deliver this requirement as efficiently as possible. Timing and stereo imaging are accurate because the phase remains completely linear from top to bottom.

SX-70 centre speaker detail

A Design for Life

SX Series speakers all feature clean, understated looks that allow them to sit in a variety of spaces and work in all of them. Whether you want a discrete pair of bookshelf speakers or a compromise-free 7.1 AV system for home cinema use, the SX series has the options to suit in a style that enthuses.

Weight 4000 g
Dimensions 246 × 360 × 138 mm

  • Sensitivity: 85dB
  • Frequency response: 65Hz – 20kHz
  • Impedance: 8Ohm
  • Drivers: 2 x 100mm (4’’) woofers 1 x 25mm (1’’) silk dome tweeter
  • Recommended amplifier power: 10 – 100 Watts
  • Dimensions (H x W x D): 138 x 360 x 246mm (5.4 x 14.2 x 9.7” )
  • Weight: 4.0kg (8.8lbs)


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