Quad S-4 Floorstanding Speakers

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Special Price $3,295.00 (Normally Regular Price $3,495.00 )

Medium Sized 3-Way Floorstanding Speakers

Auxiliary Bass Radiators on the Rear for Added Bass

Beautifully Finished Cabinets

Hurry - Runout Special - Brand New

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The stylish Quad S-4 Foorstanding Speaker is the Goldilocks speaker in the range. Not too big, not too small, but big enough to fill your room with natural sound and look great while doing it.

Quad has always prided itself as providing the complete solution to music lovers. Each Quad component marries perfectly to other parts of the hi-fi system and is designed with one target – to be ‘The Closest Approach To The Original Sound’.

Quad S-4

Quad S Series loudspeakers fulfil that objective admirably. Sporting a ribbon treble unit aligned, through sophisticated crossover networks, to Quad’s advanced mid-bass drivers, each and every loudspeaker in the range delivers all the nuances and passion of the original performance.

It was way back in the mono days of 1949 that Quad launched its first loudspeaker, the Corner Ribbon. This was, indeed, a prestige product, but it offered something special, a particularly clear and detailed upper mid-range to treble performance from a large and delicate ribbon driver.

The naturalness and fidelity of sound reproduction of the original corner ribbon was championed by the hi-fi press. Both the new S Series and flagship Z Series both have bought influence from this classic speaker, in two new modern speaker ranges taking the delicate and beautiful sound in a more powerful and modern loudspeaker.

Furniture Quality Woodwork

Beautifully presented with rounded top edges at the front and rear, each speaker cabinet uses a sandwich construction of alternate layers of MDF and high-density particleboard to reduce panel resonance to below the level of audibility.

Aesthetically, the look is classically Quad, yet subtly updated, available in black oak or sapele mahogany wood veneers, along with premium hand-lacquered piano white and piano black finish options.


All S Series models sport a bespoke ribbon treble unit, delivering effortlessly extended high frequencies that are audibly superior to those supplied by typical dome tweeters.

While many ribbon drivers are delicate, easily prone to burning out if overpowered, the new ribbon unit developed for the S Series is a thoroughly modern affair, utilising the latest techniques and materials. The ribbon itself is a sandwich construction, making it robust enough to handle high-powered amplifiers, and is fully immersed in a powerful magnetic field so that it accomplishes its dual role of being both the voice coil and sound radiator.

As well as delivering excellent transient response and superb musical detail, the sound from this ribbon unit is smooth right up to the highest musical overtones beyond the limits of human hearing. Controlled directivity maintains this sound quality over a wide horizontal arc to cover all listeners whilst vertical dispersion is tailored to avoid floor and ceiling reflections, resulting in the purest high frequency performance at the listening seat.

Our Take On The Quad S-4

These are first-class speakers by anyone's standard. The S-4 retains its stellar performance from a stunningly accurate high-end response, they also look amazing. This is not a product just to fill a price-slot but more to fulfil the goals of a dedicated design team. Hi-Fi stereo or home theatre enthusiasts will be comprehensively satisfied with the performance. Of course that will be also be a factor determined by your choice of amplification and source material so we would expect you're prepared to dig deep for suitable complementary components.

Main Features & Specifications

  • General Description: 3 Way Floorstanding Speakers
  • Enclosure Type: ABR (Auxiliary Bass Radiator)
  • Auxiliary Bass Radiators: 3 x 125mm
  • Bass Drivers: 2 x 125mm Woven Kevlar
  • Midrange Driver: 100mm Woven Kevlar
  • Treble Driver: 45 x 12mm True Ribbon
  • Sensitivity (1W @ 1m): 88dB
  • Recommended Amplifier Power: 25 – 175 Watts
  • Nominal impedance: 6 Ohms
  • Minimum impedance: 3.5 Ohms
  • Frequency response (+/-3dB): 44Hz – 23kHz
  • Bass Extension (-6dB): 37Hz
  • Crossover frequency: 520Hz / 3.9kHz
  • Cabinet Volume: 47 Litres
  • Dimensions (WxHxD): 180 x 925 x 300mm
  • Net Weight: 20.5kg each
  • Manufacturer's Warranty: 5 Years

Note: Features & Specifications Subject To Change Without Notice. E&OE. 

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