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Loudspeakers Commercial Products Amplifiers Digital Products Smaart Custom Products Legacy Products |
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| KF730 System Use |
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With many features adapted from the KF760 Series, SLAM is simple to use, and arrays can be scaled to cover audiences from 50 to several thousand people. The basic approach to array design is simple: vary the angle between modules to focus or disperse output.
A fairly flat arc across a number of modules maximizes line array effects, generating increased output for greater throw distances. As modules are added beneath to cover the near field, an increasing amount of curvature tempers the output for shorter throw distances. The nearest listeners can be right under the array and still enjoy natural reproduction at a comfortable level while the farthest can be hundreds of feet away and get the same performance.
A practical and efficient powering scheme helps minimize the number of amplifiers required to drive any given array. Both the LF and passive MF/HF section are nominal 16 ohm loads,meaning that eight modules can be powered at 2 ohms by a single two-channel amp. A small number of factory-configured DSP settings will handle any array configuration.
While SLAM offers an effective solution to many permanent installation applications, the total system is optimized for portable use. From corporate A/V to arena tours, SLAM arrays can meet almost any coverage requirement.
The rigging system – the lightest we’ve ever made – shows how our new design engineering capabilities enhance EAW products. Engineers knew that only 6061-T6 structural high-strength aluminum would meet the weight goals and be strong enough to hang a 15 module array. After completing the design using a solid modeling program, they used Finite Element Analysis software to conduct virtual pull tests. This refined the extrusion profile, adding more material where more strength was needed. The first actual pull test exceeded specification goals.
Like all EAW products, SLAM enjoys our trademark overbuilt enclosure construction using void-free, Baltic birch ply. In the case of the KF730, the integrated rigging system creates a super-rigid frame for the enclosure.
Compact enclosures mean that SLAM systems require a minimum of truck space. With a traveling footprint of just 28.5 by 13 inches, almost any packing scheme will work. Optional road cases are available.
Even the handles represent an engineering victory. After drivers, horns and rigging elements had been designed, EAW engineers had no place left to locate side handles. Necessity being the mother of invention, they designed inventive circular handles into the woofer cavity affording grip at any angle.
KF730 SLAM: A REAL SOLUTION
The KF730 SLAM sets a performance benchmark high above any other
compact line array system. It delivers full, three-way, KF Series performance
in an array module that a one-man crew can handle. Consistent
frequency response up to and beyond the horizontal pattern edge
eliminates the narrow “sweet spots” that typify current designs. The total
package gives audio companies a flexible, easy-to-use system that can
deliver concert-level output in an exceptionally wide range of venues.
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The mid- and high-frequency sections share a horn mouth that fills the entire face of the enclosure. Keeping the horn big lets the KF730 provide unmatched horizontal
coverage consistency – an issue only
addressed by a horn-loaded design.
While line array effects may improve
control in the vertical plane it has no
effect in the horizontal, where most
line arrays suffer significantly.
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In addition to being
extraordinarily light, the
super-high-strength 6061-T6
aluminum fly bar and rigging
system can suspend up to 18
modules at a 10:1 design factor.
All rigging stays within the
perimeter of the enclosure
and all pieces stay with the
enclosures in transit. |
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