Apr 26, 2019 the end fire array is one of the most talked about even if not the most often implemented of the cardioid subwoofer arrays. The kslisub is an installation specific cardioid subwoofer for the ksli system. Aligning cardioid subwoofers from the kick drum daniel. Can be used for car, truck, sport utility vehicle suv, jeep automotive, guitar and home theater applications and projects. Cardioid arrays can be used to keep bass off of a stage, stop destructive reflections, or just keep the bass aimed the intended toward. Cardioid subwoofer arrays can be used to direct the output of an array of subwoofers in order to limit excessive amounts of bass in undesired locations. When using more than one subwoofer, it is possible to design a system forms a more directional radiation pattern that keeps energy off the stage and in the audience where it is needed more.
Providing subwoofer design software programs for solving the required calculations for custom bandpass, sealed and vented box cabinet designs. It can be used to supplement ksli8 and ksli12 cabinets. The design is best done with modeling software, such as evs arrayshow. This means that such a subwoofer array will be cardioid at very low frequencies, but less and less so as you increase frequencies. Physical arc and delayed straight horizontal arrays. Here is a list of best free speaker design software for windows.
Jul 19, 2017 bass adds so much to live performance and dance music, but too much of a good thing in the wrong place can create a lot of problems. S4 is a useful tool for installers and designers to predict and control the direction of bass energy in free space. Qsc ks212c cardioid 3,600w dual 12 powered subwoofer. The csa method reverses the enclosure orientation and. Jan 17, 2014 subwoofer arrays directional subwoofer arrays. When the kslisub mounting frame is used, kslisub cabinets can be flown as pure sub columns or in mixed arrays in connenction with kslitop cabinets using the additional kslisub mounting adapter. Box notes is an excellent speaker design software both for.
This groundbreaking subwoofer is the worlds first singlebox, powered cardioid sub designed for both mobile and installed applications. For this purpose, prior knowledge about various loudspeaker parameters is desirable to fully utilize these freeware. Spl mappings are simulated with lacoustics modeling software soundvision using the cardioid c preset for. This means that the polar pattern will remain constant for frequencies below 140hz, but start to get peculiar above 140hz. For smaller spaces, creating a groundstacked subwoofer array is an easy way to focus the subwoofer onto the audience. Bassbox pro is a stateoftheart speaker enclosure design program. At this point in time the design of an open baffle speaker using cone type drivers is highly empirical. The design is best done with modeling software, such as evs arrayshow, or. It is obtained by reversing one enclosure per group of three. The yisub is the installation version of the ysub and differs only in cabinet construction, finish and mounting hardware. The ks212c subwoofer represents the worlds firstinclass singlebox active cardioid subwoofer solution for highly portable entertainment and installation applications. It helps you design, in realtime, cardioid configurations like endfired and gradient. A practical approach this article explains the basic physics behind direction subwoofer arrays and gives stepbystep instructions for creating directional subwoofer arrays using eaw loudspeakers and processors.
The actual behavior of transducers and sound waves in air are more complex than software can simulate. Bass adds so much to live performance and dance music, but too much of a good thing in the wrong place can create a lot of problems. With this, it is easy and possible for the users to create vented, bandpass as well as closed boxes that will deliver quality sounds. Powerful and efficient, the qsc ks212c cardioid subwoofer solves the ageold problem of unwanted, wasted lowfrequency energy collecting on stage and at the rear of the sound system. David fuller is qscs senior director, product development loudspeakers. Mappings with cardioid cx presets for subwoofers are not yet available in soundvision. The ks212c is the worlds firstinclass singlebox powered cardioid subwoofer solution for highly portable entertainment and installation applications. A breakthrough in innovation and design, the 3,600 watt ks212c subwoofer uniquely provides all the benefits. Subwoofer box design software 3d sub box calculator. Qsc ks212c cardioid 3600w powered subwoofer prosound and. Cardioid arrays can be used to keep bass off of a stage, stop destructive reflections, or. Bassbox pro is very versatile and can be used to design speakers for a wide variety of applications including home hifi, home theater, car, truck, van, pro. It helps you design, in realtime, cardioid configurations like endfired and.
The end fire cardioid subwoofer array made visible prosoundweb. Looking at the strange horseshoe shape graph below one can see that the subwoofer is not usable above 140 hz black line. Downloaded from doctor proaudio comsettingup cardioidjoan. Qsc ks212c cardioid dual 12 powered subwoofer planet dj. Feltmetal and filters should be readily useable for a cardioid speaker, but for a woofer application their linearity at high volume velocities needs investigation. You can use up to 12 speakers with omnidirectional, cardioid, super cardioid and figureeight speaker patterns. Communitys subwoofer steering simulation software s4 makes it easy and convenient to design a cardioid or steered subwoofer array using communitys vlfseries subwoofers or any other subwoofer system. Standard and cardioid subwoofer configurations lacoustics. This method is often called cardioid subwoofer array or csa even though the pattern of all directional subwoofer methods is cardioid. Introduction why are subwoofer arrays receiving so much. Powerful and efficient, the qsc ks212c cardioid subwoofer solves the ageold problem of unwanted, wasted lowfrequency energy collecting on. For convenience well refer to cardioid subs throughout this article, but there are in fact a whole family of polar patterns available, subcardioid, cardioid, supercardioid, hypercardioid, and bidirectional. Communitys subwoofer steering simulation software s4 makes it easy and convenient to design a cardioid or steered subwoofer array using. This spreadsheet is the swiss army knife for subwoofer configurations.
Qsc ks212c cardioid 3600w powered subwooferthe ks212c subwoofer represents the worlds firstinclass singlebox powered cardioid subwoofer solution for highly portable entertainment and installation applications. The alcons ribbon calculator is alcons linearray simulation and setup tool. With the ks212c cardioid subwoofer, qsc offers the first practical and affordable solution to keep bass in its place. S4 is a useful tool for installers and designers to predict and control the direction of.
Qsc ks212c k cardioid dual 12 powered subwoofer musicians. Unibox unified box model for loudspeaker design kristian. Aj audio subwoofer box enclosure design software sub. Subwoofer design cnet download free software, apps. Another cardioid subwoofer array pattern can be used horizontally, one which takes few channels of processing and no change in required physical space. Mar 10, 2010 the cardioid sub can produce increased level in the audience and reduced level at the microphone. Figure 9 through figure 12 show some basic principles. It is used around the world by professional and amateur speaker system designers to design worldclass speaker boxes.
How does one go about designing and setting up such an array. Insights into qsc cardioid subwoofer solutions live sound. It houses two long excursion neodymium drivers in an integrated cardioid setup, an 18 driver in a bassreflex chamber facing to the front and a 12 driver in a two chamber bandpass design radiating towards the rear. Twoinline cardioid most of the time, subwoofer configurations are only analyzed based on theory, using math and simulation software.
Buy the qsc ks212c cardioid dual 12 powered subwoofer at planetdj. Mar 17, 2020 martin audio has announced the release of two new compact cardioid subwoofers, the sxcf118 and the sxc115, suitable for both live sound reinforcement and fixed installations. How to set up a subwoofer for maximum punch presonus. Additionally, the builtin calculator is now updated with subwoofer modeling, allowing you to generate subwoofer delay values for electronic. Ks212c cardioid subwoofer front back15 db typical subwoofer energy dispersion most subwoofers. I just got my copy of termpro and just messing around with it i gotta say its pretty damn incredible. A basic openspace graphical overview of each of the above configs from bad to best. The main cause for intrigue however, has to be the fact the ks212c is a cardioid subwoofer. Downloaded from doctor proaudio comsettingup cardioid. These are basically speaker box design software or say speaker enclosure design software which let you find optimal calculations for different parameters to correctly design loudspeaker enclosures. The main feature is a calculation of the volume of the subwoofer box, according to his parameters thielesmallfs, vas, qts. This page contains basic information that will help you design and build your own subwoofer.
For the sake of discussion lets consider a cardioid polar pattern with a design frequency of 140 hz. Mar 31, 20 this is a video explaining the end fired array and the cardiod subwoofer array, 2 forms of subwoofer arraying that create cancellation towards the rear of the array. This, along with a few other cardioid designs, shows performance which i never dreamed possible in a domestic speaker, especially one of reasonable size. The end fire array is one of the most talked about even if not the most often implemented of the cardioid subwoofer arrays. The software is 100% free and offers quite a wide range of features. In addition, the cardioid cancelation is only effective below 70 hz blue areas. Martin audio has announced the release of two new compact cardioid subwoofers, the sxcf118 and the sxc115, suitable for both live sound reinforcement and fixed installations.
This popular speaker simulator lets you propose various speaker systems and then evaluate them in software before you cut wood or order expensive transducer components. The ks212c subwoofer represents the worlds firstinclass singlebox powered cardioid subwoofer solution for highly portable entertainment and installation applications. There are three distinct zones within the subwoofer frequency band. You can use up to 12 speakers with omnidirectional, cardioid, super. While cardioid subwoofers arent exactly a new idea, im unaware of another active cardioid subwoofer in a single enclosure, especially at this price point. A breakthrough in innovation and design, the 3,600 watt ks212c subwoofer uniquely provides all the benefits of cardioid deployment in a single, compact enclosure. Martin audio announces two new compact cardioid subwoofers. With a cardioid configuration, clarity will be gained on stage. Even qsc are claiming this is a worlds firstinclass solution. I added the word cardioid to the title to clarify a bit, but as far as the phasealigning process goes it is the exact process as would be done onaxis for cardioid subwoofers where the back sub is delayed to the front and polarity inverted.
A cardioid subwoofer or subwoofer array produces a heartshaped coverage pattern in which levels are louder to the front of it and lower behind it. Subwoofer box design calculator for online creating a high performance subwoofer enclosure. The sxcf118 is a flyable version of the sxc118 released last year and has been purpose designed to accompany wps optimized line array systems, while the ground stack. Vlac125sacc kit for adding terminal cup to front to allow easy and neat cardioid subwoofer. This gll contains the simulation data for the bc332 cardioid subwoofer. Current visitors new profile posts search profile posts.
Low vip pricing, financing and free shipping available. Winisd is a great speaker design software that is designed for the windows platform. This app is designed for beginners and advanced fans of acoustic system building. A common subwoofer configuration is to group all the units together in front of the centre of the stage, forming a single line. However, getting good bass over a wide area requires some additions to the basic approach, as we shall see.
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