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 Series loudspeakers fulfil that objective admirably. Sporting a new ribbon treble unit aligned, through sophisticated crossover networks, to Quad’s advanced bass-midrange drivers, each and every loudspeaker in the range delivers all the nuances and passion of the original performance.
Where It All Started
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.
Quad S-4 (Discontinued)
General description 3-way floorstanding speaker Enclosure type ABR Transducer complement 3-way ABR 125mmx2 Bass driver 125mm Woven Carbon fibre Cone Midrange driver 100mm Woven Carbon Fibre Cone AV shield No Treble Driver 12 x 45 mm True Ribbon Sensitivity (2.83V @ 1m) 88dB Recommended amplifier power 40-200W Peak SPL 100dB Nominal impedance 6Ω Minimum impedance 3.5Ω Frequency response (+/-3dB) 44Hz ~ 23kHz Bass extension (-6dB) 37Hz Crossover frequency 520Hz & 3.9kHz Cabinet Volume (in litres) 47.0L Dimensions (H x W x D) (870 + 55) x 180 x (300+30)mm Weight 20.5kg