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The Concentro is a true benchmark loudspeaker designed to commemorate 90 years of ELAC history and in response to calls for a loudspeaker that rivals—and surpasses—the most ambitious designs in the audiophile landscape today.
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The Concentro is a true benchmark loudspeaker designed to commemorate 90 years of ELAC history and in response to calls for a loudspeaker that rivals—and surpasses—the most ambitious designs in the audiophile landscape today.
One look and you will realise that this is no ordinary speaker. Standing at more than 5.5 ft tall and weighing more than 130kg, ELAC's Concentro commands attention. Its elliptical cabinet is crafted to the finest furniture-grade perfection and finished in high-gloss white or black epoxy, or to specification in any color in between.
The Concentro cannot be mistaken for any other speaker, with a complex base machined from a single block of aluminum and weighing more than 25kg. Integral oval side panels of precious wood, carbon fiber or leather surround a pair of side-firing 250 mm woofers on either side of the enclosure. These newly-developed units feature smooth, stiff aluminum-sandwich diaphragms, and fire in a push-push/pull-pull configuration that delivers maximum energy and accuracy, down to the lowest octave.
Through the use of aluminum, resonances that affect the linearity of common paper cones can be placed beyond the driver’s operating frequency range. The motor structure features a large 3-inch diameter voice coil with oversized magnet and a vented pole piece to increase power handling, for accurate reproduction of bass frequencies that are clean, clear and powerful.
The eye-catching surface of the crystal membrane is more than just an attractive design feature. The midrange/woofers of the Concentro employs the Crystal Membrane (patent pending) and the design is based on ELAC’s Aluminum-Sandwich AS Technology. The crystal-shaped inverse aluminum dome is joined to the paper cone in a special gluing process to result in the desired sandwich construction. Resembling the surface of a large crystal, the aluminum-foil stamping stiffens the aluminum dome, diminishing resonances and minimizing coloration, while improving power handling and dynamics.
Delivering true high-definition sound, ELAC’s JET 5 tweeter enthralls with its lightning-fast response and wide dynamic range, offering minimal distortion, lots of headroom and a distinctly wider frequency range than conventional dome tweeters. The ELAC JET tweeter is one of the most legendary tweeters in the industry and has won international praise with its transparent and effortless sound image.
The JET tweeter was developed to perfection on the basis of the famous Air Motion Transformer by loudspeaker pioneer Dr. Oskar Heil. Its operating principle is based on a concertinaed-foil membrane, driven by a strong neodymium magnet. This motor drives the air considerably faster than that of a conventional driver, with gains in higher sensitivity and extraordinary dynamics. Due to many additional design changes, like an improved new neodymium magnet system, even higher efficiency, higher sound pressure levels and frequency response up to 50 kHz was achieved.
The core of the JET tweeter is the folded foil membrane. With a fold width of only 0.84 mm, a major requirement in the JET production is precision. To guarantee repeated accuracy and unchanging quality even with high production capacity, gluing and handling are now executed by two SCARA robots. The folding and fixing of the membrane, however, are executed by hand, since for production steps requiring extreme precision, the manual dexterity of skilled technicians is irreplaceable. Due to continuous improvement, the JET 5 tweeter creates an effortless, airy and resonance-free image up to 50,000 Hz, and with its linear frequency response is ideally suited for the reproduction of hi-res formats.
Count the parts and look at them closely. These don’t look like the components that go in such competitively priced speakers, but rather, speakers that cost much more.
Tweeter: JET 5, modified
Midrange: 70/140 mm AS-XR Ring radiator
Midbass: 220 mm AS-XR Cone
Bass reflex tubes: 2 off 120×350 mm Cone
Woofer: 4 off 250 AS mm
Bass Loading: Vented Box
Crossover Frequencies: 120 / 360 / 2700 Hz
Frequency range ( IEC 268-5): 18 – 50 000 Hz
Sensitivity: 90 dB/2.83V/m
Recommended amplifier power: 80 – 600 Wpc
Suitable for amplifier rated between: 4-8 Ω
Rated power (Continuous): 400 W
Rated power (Dynamic): 600 W
Rated impedance: 4 Ω
Binding posts: 5-way custom; bi-wirable
Magnetic shielding: No
Weight: 140 kg
Dimensions (WxHxD): 460 x 1680 x 610 mm with spikes
New Zealand Elac Official Product. Come with Elac Manufactures Warranty.
