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Quad Z-Series Z4 Speakers (Pair)
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Quad Z-Series Z4 Speakers (Pair)

£2,666.63 Exc. VAT |  


Quad Z-Series Z4 Speakers (Pair)

After taking a new approach to ribbon tweeter design using a unique sandwich formation, an exceptionally robust, high power speaker has been engineered, yet with the delicate sound conventional ribbon speakers are known for.

Where It All Started

Way back in the mono days of 1949, Quad launched the Corner Ribbon as its first loudspeaker. 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. So, the question is, can Quad engineers replicate this performance today, or even surpass it? the answer, not surprisingly, is yes.

Then And Now

The Quad corner ribbon was a speaker incomparable to competitors at it’s time, all with thanks to the Quad ethos, which is still adhered to in all product development and to deliver; “The Closest Approach To The Original Sound”.

Being Quad's first ever commercially available loudspeaker, the Corner Ribbon was not completely perfect - it generated a relatively low power and the ribbon unit was very fragile. As we know founder Peter Walker moved on to develop the world’s first full range, push-pull Electrostatic speaker, if not the most iconic loudspeaker of our time.

So, to make a ribbon unit that handled today’s high power amplifiers and to do the original Corner Ribbon justice was no mean task. The Z Series ribbon accomplishes this by utilising a composite ribbon sandwich substrate that is far more robust than earlier designs and immerses this ribbon in an exceptionally strong magnetic field to yield ultra-high sensitivity.


Available in piano lacquered black, white, or rosewood, the skillfully veneered, one-piece curved structures make the focal point of any living room.


General description Floor-standing
Enclosure type bass reflex
Transducer complement 3-way
Bass Driver 3 x carbon fibre cone
Mid Range Driver 175mm woven kevlar cone
Treble driver 90x12mm true ribbon
AV shield No
Sensitivity (1W @ 1m) 90db
Recommended amplifier power 60-250w
Peak SPL 115dB
Nominal impedance
Minimum impedance 3.6Ω
Frequency response (+/-3dB) 47Hz - 20kHz
Bass extension (-6dB) 40Hz
Crossover frequency 300Hz & 3.5KHz
Cabinet Volume (in litres) 43L
Dimensions (mm) 1175 x 267 x 340
Weight 23.5kg
Finish Piano Black / Piano White / Piano Rosewood
Accessories user manual, certificate, spike set

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