With output capabilities resembling the much larger KF and a footprint and weight similar to the KF, the KF is the ideal solution for a wide variety of applications. The KF delivers the premium, high output, 3-way performance that is the hallmark of the KF Series in an extremely compact and easy-to-use package. Dual 2. The astounding pattern control offered by this configuration is extended down to Hz as the MF devices are transitioned to a spaced array of four 2. A full KF array provides seamless coverage from directly below the array to hundreds of feet in front.
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The KF is loaded identically with the exception of there being only one high-frequency compression driver, and 8-inch slot-loaded midrange drivers instead of inch horn-loaded ones.
The LF drivers are loaded into a proprietary bent-horn, with the horn mouths horizontally separated to the outside of the cabinet in order to provide controlled off-axis cancellations to match the MF beamwidth through the crossover region.
The midrange drivers are coupled into a single large-format horn. The HF drivers are coupled to a HF horn coaxially mounted with, and extended by, the midrange horn. The KFs have a horizontal pattern of 80 degrees with a vertical splay of 3 degrees while the KFs have a horizontal pattern of degrees and a vertical splay of 12 degrees.
Rigging for the system is all new, and uses a captured hinge design, housed in high- strength tubular steel at the four corners of each module. Quick-release pins connect the modules at various angles and also lock the hinges creating a rigid array. This approach yields an additional benefit in that the KF arrays can provide radical curvature for down-fill coverage; even 90 degrees below horizontal without being pulled back over the stage. The system is also available with an optional dedicated caster pallet, which can hold four modules.
The pallet measures 45 inches wide by Basically you can fit two sideways across a truck. This system used as a whole also allows for prerigging of cabinet angles in sets of four prior to the hanging of points at the venue. Designing the arrays to fit different venues and coverage areas has also been made simpler with the KF Wizard. This downloadable program allows for optimal rigging configurations based upon the parameters that you choose, e.
All this so that flying an array is no longer a matter of guess work on-site, but a simple printout defining all angles and pinning points. If anyone is familiar with the old pin-and-puck rigging system or how heavy the s were, you will be glad to know that this system is lighter, quicker and much more efficient.
The cabinet configuration that I used for this review was two clusters of four KFs and four KFs each. The indoor basketball arena was a good test for the whole package.
Rigging was amazingly simple when utilizing the KF Wizard program. Effortlessly the cabinets rolled in on their custom pallets and flew straight up four at a time. I was a little nervous when the cluster leaned back to match the rear pin points of the following pallet, yet with a little ease the corresponding hinges were pinned and the rig flew as a whole.
The only interesting downfall of the KFs versus the s is the fact that the latter, depending on the number of cabinets flown, could be hung from a single, center motor point whereas the s demand two points from a cluster that weighs less per cabinet using a bridle single point suspension can be done — Ed.
After the cabinets were in the air, the true test began. I was able to actually EQ the room and not the cabinets. When walking the room I found a superb evenness of the system. There were no holes or gaps found in a conventional speaker array. The sound level was consistent through the frequency range. When I was in the pattern it was like listening to a set of closefield studio monitors, but when I walked out of the pattern I was truly out of the pattern.
The other profoundly amazing show utilizing the new rig was with the Baltimore Symphony Orchestra. The arrays were flown from foot scaffolding towers left and right of the stage. The short depth of the towers proved challenging when attaching the second set of four cabinets, due to the lean needed to connect the rear hinges. We overcame this by disconnecting and reattaching each cabinet separately so that the forward lean was minimized.
Once wired, flown and with 45 inputs placed, the fun began. Again, the same qualities rang true, but this time outside and at greater distances then before. From one length of the field to the other approximately feet , the system sang with the personality of studio closefields. Smooth all the way, front to back. I was impressed with the dynamic quality and accuracy of the system. Summary Through every use of the KFs I am awed by the ease of use and smooth performance.
The rigging and design of the modules is superior in every way to its predecessor, let alone its weight and aesthetic beauty. Whether it is for a medium or large venue, touring act or simple one-off, this is the line array that you want in your arsenal. Subscribe For more stories like this, and to keep up to date with all our market leading news, features and analysis, sign up to our newsletter here.
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