Dynacord Cobra 4LX Complete Cobra-4 System Featuring LX2200 SMPS Amplifiers
• Groundstack or Flying
• Hornloaded SPL
• Line-Array Performance
• Easy Handling
COBRA-4 SYSTEM The active 4-way COBRA-4 SYSTEM is designed to project over distances of up to 80 metres in medium-sized marquees, halls and open-air venues and produces SPLs at the FOH position, 30 metres from the stage, of 110 dB in the medium- and high-frequency ranges and up to 120 dB in the bass — the values typically required by a Top Forty band. Through the use of two COBRA-4 TOPs and a COBRA-4 FAR, optimal line-array performance can be achieved without time-consuming tinkering. With the COBRA-4 SYSTEM, in the vicinity of the PA, the vertical coverage angle in the high frequency range is particularly wide, to cover the areas directly in front of the stage. To project over long distances, a COBRA-4 FAR, which has a coverage pattern of 90° x 5° in the high frequency range, is positioned at the top of the array. For the low frequency range and the midrange, the same components are used as in the COBRA-4 TOP, so the low and midrange line array continues in an unbroken line. In all, eight COBRA PWH bass horns are used to generate the sound pressure levels and projection typically required by Top Forty bands and these can be stacked or arrayed as dictated by the architecture of the room. The COBRA-4 SYSTEM is driven by two ready-cabled and programmed CSR-4 amp racks with a DSP 244 controller, two L2400 power amplifiers and a CP-84 connector panel. The illustration shows a medium-sized COBRA-4 configuration for typical medium-sized open-air events in a city. It consists of a COBRA-4 system and additional PWH bass horns as well as two line-arrays each consisting of four flown COBRA-4 FAR and 1 - 2 COBRA-4 TOP cabinets. The lowest of the COBRA-4 TOPs (nearfield) and the COBRA-4 FAR adjacent have each been tilted 5° downwards, whilst the highest three COBRA-4 FARs hang in a straight line. Using the adjuster- belt, the central axis of these three COBRA-4 FARs is aimed at the most distant third of the area to be covered. For particularly wide (> 15m) applications, it makes sense to place additional COBRA-4 TOPs on top of the stacked COBRA PWH bass array, to cover the area directly in front of the stage.
Within the last few years the popularity of line-array systems in the professional concert sound business has dramatically increased because of their characteristic coverage pattern, long-throw ability and low-distortion.
Now, with the COBRA System these advantages are also available for applications employing conventional large-format line-array systems, where economical operation was just not possible so far.
Cobra comes as a complete, ideally tuned system including the needed digital system controller with application-optimised presets and high-performance power amps. The entire package is truly compact, quickly set up and tremendously easy to operate.
Line arrays have now become the preferred solution in the professional concert sound business. On account of their directivity, projection and low distortion, line arrays are considerably more suitable for providing high quality sound reinforcement to large listening areas — especially those extending widely in a horizontal plane — than classical systems with their narrow horizontal focus. Conventional line arrays are large, heavy, expensive and extremely costly to set up. They are therefore seldom used for small to medium-sized applications despite their advantages in terms of sound quality. The brand new DYNACORD COBRA compact line array systems COBRA 2 and COBRA 4 on the other hand are extremely compact, simple to set up and cost efficient. They therefore provide line array performance in the type of situations where conventional, large format line arrays can offer no economically viable solution. The extremely wide horizontal directivity of the DYNACORD COBRA compact line array systems (due to their generation of cylindrical sound waves) means they can provide coverage to large audience areas without the comb-filter-like effects that impair the sound quality of conventional horizontal clusters.The shallow and precisely defined vertical directivity, free from strong vertical ‘side lobes’, avoids the undesired radiation of sound towards ceiling and floor areas, eliminating to a large extent the interference produced by reflections. Typical User Comments: Chuck Walthall ( Walthall Associates USA ) "The Cobra´s high-fidelity purity and sonic output is very neutral and transparent from such a compact system, The vocal articulation and high-fidelity impact is likened to a large scale system with massive amplification. The package is perfectly fitted for small to medium PA applications and the "plug & play” simplicity is second to none. One of the most important considerations for any sound reinforcement crew is setup time and the Cobra redefines plug & play in the audio industry, thus greatly reducing operating costs by freeing up staff to work on the projects”. Christopher Holder ( Audio Technology AUSTRALIA ) "For example, we were taking out a 6-tonne truck and now we´re travelling with a 4-tonne truck – and it´s only two-thirds full. With Cobra we can travel with less crew, get the gear in and out more quickly and have better sound. So it just wins in all departments… …..It´s completely stable top to bottom and at all levels – from idling to flat out. There´s also a warmth that comes with the three-way driver configuration. If you go from a horn to an 8- or 12- inch, I don´t think you get that amazing clarity in the vocal range that Cobra´s midrange drivers offer”. SONAR 2002 ( Barcelona SPAIN ) During the three days of Festival was arranged the COBRA-System sound for LAB space, where was combined several performance of House, techno and chill-out music. Dynacord received from all the Sonar staff the congratulations, for the result and coverage of Festival. Mr. Pedri, the engineer of Festival, said:” It´s great, the sound is like Hi-fi, unbelievable. It´s really clear wherever you go from all the audience areas. It´s just Fantastic”.
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