Treble Driver
The ELAC JET III AMT tweeter is one of the most legendary tweeters in the hi-fi trade and has won international renown with its unusual transparent and effortless sound image.
The JET tweeter was delveloped to perfection on the basis of the famous 'Air Motion Transformer' by loudpseaker pioneer Dr Oskar Heil. Its principle: a concertinaed foil membrane is driven by a strong magnet system of neodymium rods.
This 'motor' drives the air considerably faster than the conventional pistonic technique. High sensitivity and extraordiary dynamics are the result. Due to continuous improvement, the JET III tweeter creates an effortless and airy resonance-free image up to 50,000 Hz, and with its linear frequency response is ideally suited for the reproduction of Hi-Res Audio music.
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The ELAC "JET Dispersion Control DC" is a flat ring made of open-cell rubber foam which is mounted around the JET orifice with four clasps (or with adhesive tape).
The JET DC results in a broadband reduction of about 0.5 dB of the radiated sound level nearly independent of frequency. The JET DC is best suited for rooms with little sound absorption at high frequencies, especially for rooms with large windows without curtains or with a smooth floor without a carpet.
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Note: The loudspeakers of the 200 Anniversary series are not supplied with the JET Dispersion Control - this is an optional accessory.
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Midbass Driver
TT 150 AS used in : BS 203 A, FS 207 A.
The woofers of the 200 Series are designed in the ELAC proprietary aluminium sandwich technique. In a special glueing procedure, an aluminium foil of 0.2mm is joint to a pulp fibre cone to form a sandwich membrane. The result: reduced partial oscillations, no distortions and an optimised large signal behaviour.
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