Axiom CX15A 15" Active Coaxial, High Output, Powered, CORE Processed, Stage Monitor
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The CX15A is a coaxial stage monitor designed specifically for live sound, even if the very compact, low-profile enclosure makes it suitable also for theater and television applications. The combination of a high-performance coaxial transducer, a carefully designed cabinet and powerful electronics provides a very high SPL before feedback and a great intelligibility even at very high power.
The transducer’s coaxial design offers a very stable acoustical pattern both on the horizontal and vertical axis. The very compact, single magnet neodymium motor reduces the delay between the two sources, eliminating time/phase problems, as well as guarantees a high performance with a consistent weight reduction.
The high frequency range is reproduced by a low-distortion compression driver, equipped with pure titanium diaphragm. An edge-wound aluminum ribbon voice coil and a copper sleeve reduce distortion and increase the unit’s output. The special shape of the cone allows a precise and controlled conical dispersion of 80°.
The 15” woofer employed in the reproduction of the low frequency range is equipped with a special interleaved sandwich 3” voice coil and an aluminum demodulation ring for minimum distortion.
Thanks to special magnet plate and cone treatment process, which increase the resistance against corrosion and make the cone water repellent, the CX15A is able to perform in adverse weather conditions and it is suitable for the use in outdoor events.
The reduced size of the baltic birch cabinet (only 34cm high and 55cm wide) makes the CX15A one the most compact and lightweight stage monitors in its category and makes it suitable for all applications when the unobtrusive size is a must. This includes not only live concerts, but also theater shows and TV applications.
The reduced weight (less than 19kg) and the ergonomic handles on both sides of the cabinet make very easy to transport the monitor and to position it on the stage. A convenient dual-angle pole holder allows the CX15A to be placed also on a standard speaker stand.
The specially designed tuning ports, instead of being placed on the top baffle and directed towards the musician (as in a conventional stage monitor), are located on the front of the cabinet and pointed to the floor. This greatly reduces the interferences of the LF tuning with the MF range, resulting in a much more clean and well-defined sound, and also enhances the LF response in coupling with the floor. The tuning port’s design also provides an efficient cooling for the amplifier.
The possibility to position the cabinet with two different angles to the floor (45° and 55°) allows to place it at different distances from the musicians, according to the size of the stage and to the kind of monitoring needed.
The system processing is based on the CORE DSP platform designed by the PROEL R&D Laboratories using one of the most advanced SHARC DSP for audio application. It features 40bit, 96kHz floating point resolution and top-quality 24bit AD/DA converters, for a perfect signal integrity, a dynamic range in excess of 110dB and a superior sonic performance. Thanks to its massive processing power, the CORE platform is capable of providing the most sophisticated algorithms for speaker processing, together with remote control and networking capability.
The CORE DSP made possible to set an optimal TIME ALIGNMENT for the crossover filter resulting in a linear phase response. The correct acoustic filtering has been achieved using the Constant Power Crossover technique that, thanks to a particular phase relation, allows to obtain a very smooth transition between LF and HF and an even dispersion in the crossover region.
The PRONET control software, working on a solid and reliable CANBUS based network protocol, provides an intuitive interface for the remote control of the whole system, with the possibility of eqing, delaying, increasing the protections and monitoring the status of the amplifier.
The CX15A is powered by a DA SERIES digital power module. DA SERIES is a new generation of CLASS D power amplifiers with digitally-controlled SMPS. The innovative technology used for these amplifiers (including also the use of a variable switching frequency) offers performances at the top of the range, such as a superior sound definition at any audio frequency, very high dynamics also for low level signals and very low distortion even at the maximum power The superior sound quality can be compared with top-of-the-range AB-class analog systems, while the DA modules feature a higher dynamics, very compact size and light weight and efficiency above 90%.
The DA module employed for powering the CX15A delivers in an ultra-compact package a total power of 2000W, 1000W for both LF woofer and HF driver. Such a large reserve of power available also for the HF driver means that the amplifier can handle very high voltage peaks, resulting in an impressive dynamic performance of the HF section.