Optional digital input
All SX-models (except the S1X) can be optionally retrofitted with a 24 bit/192 kHz D/A Converter featuring an AES/EBU (XLR) and a SPDIF (RCA) inputs as well as a R/L/Mono switch.

The front panel
Six controls can be found on the new front panel. Input sensitivity is handled by two controls. One control allows for coarse settings (-20dB to +8dB), while the second is used for fine tuning in 0.5dB steps, ranging from -1.5dB to 2dB.

There are two controls for the lower frequencies. One is an equalizer at 80 Hz that boosts bass response sometimes desirable in popular music. The second is a shelf filter that allows the engineer to alter the frequencies below 150 Hz. High frequencies can also be adjusted by two different controls. The first alters the high frequency volume (-2dB to +2dB), while the second is a shelf filter for frequencies above 6 kHz. Both the high and low shelf filters can raise or lower ±4 dB progressively within their frequency band.

The ART midrange
Because midrange is musically speaking the most significant frequency band, the ADAM design team was particularly interested in building a midrange driver using the same principle as the ART tweeter.

The ART midrange driver uses a diaphragm that weighs only a fraction of comparable voice coil units, and can theoretically cover the range from 400 Hz to 20 kHz. The large diaphragm area – comparable to a 7” conventional midrange unit – permits very high, uncompressed SPL without compromising dispersion. The unit has an absolutely flat impedance curve and consequently exhibits linear phase behavior, with a mere ± 0.75° deviation within the utilized frequency band.

The result of this technological superiority is unmistakable. There is a special openness that is immediately apparent to the listener when auditioning ADAM monitors utilizing the ART midrange drivers. These monitors are a quantum leap forward in musical accuracy, closely approaching the ideal loudspeaker.

The new X-ART
With the development of new materials, it has become possible for ADAM to significantly improve the highly acclaimed ART technology. The new X-ART (‘X’ for eXtended frequency response) features an even higher degree of efficiency, higher sound pressure levels, and another extension of the frequency response.

• The X-ART tweeter exhibits a 4 dB higher efficiency and a 3 dB higher SPL. In addition, the frequency response can extend up to 50 kHz (at -3 dB point).
• The X-ART midrange unit shines with a 2 dB higher efficiency and a 3 dB higher SPL.
   

The result simply is astounding: a clarity, airiness and precision in the high and mid frequencies that was not possible before. With the X-ART technology, ADAM reinforces it’s commitment to offer the best transducer systems currently available at any price.

New A/B amplifiers for the X-ART tweeter
Every progress comes with new questions and difficulties. The new X-ART tweeter with its extended frequency band up to 50 kHz (-3 dB point) caused an interesting kind of problem: PWM amplifiers need a low pass filter to separate the modulation frequency from the audio band, and this may limit the reproduction capabilities of the new tweeter.

The perfect partner for X-ART
So ADAM decided to design its own high frequency power amp to allow the new high frequency unit to live up to its unique talents. A power amp module was created that shows ultra low distortion figures together with an excellent damping factor. An internal bandwith of more than 1 MHz is externally limited so that the unit delivers an ultra wide response up to 300 kHz. With nothing limiting the talents of the X-ART tweeter, the monitor has unsurpassed clarity and openness which will please, amaze and thrill even the most experienced professional ear.

The HexaCone™-woofer
HexaCone™ woofers are an integral component in ADAM’s S(X)- Series monitors. The core is a honeycomb Nomex™ structure that makes them both extremely light and very stiff. The front and back of the cone have been coated with Kevlar™, one of the most advanced synthetic materials available. Kevlar™ withstands elongation by a force factor greater than 1000 times that of steel, enabling the cone to resist deformation.

No break-up resonances
HexaCone™ woofers are far more rigid than paper, polypropylene or aluminum devices of similar dimensions. Due to this rigidity, break up resonances in the diaphragm cone are prevented. The effective length and diameter of the voice coils in conjunction with the size of the magnets and the available cabinet volume are all precisely aligned for a musically optimal low frequency reproduction.

Authenticity instead of inadequate pressure levels
Another general problem observed frequently in many so-called reference monitors is a disproportionate low frequency volume. With massive woofers (and frequently inadequate acoustic pressure levels!), the average listener is supposed to be impressed. However, this approach results in an inaccurate representation of the overall sound quality. ADAM woofers have been designed to reproduce the given sound material with the highest possible authenticity, guaranteeing ideal translation to the widest range of systems and environments.

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