First one needs to know the nominal impedance to the drivers forming the array. Mcla wiring diagrampdf.
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Line array speaker wiring diagram. A line array is a group of audio drivers speakers mounted in a row. Wiring a line array. To make a four speaker 8ω cabinet put four 8ω speakers in series parallel. Look at the wiring diagram. Speakers can be wired in series parallel or series parallel to obtain the correct impedance to match your amp. Line array cabinets depending on brandmodeletc are either bi amp or tri amp only.
The question of how to wire the drivers in a vertical line array has been asked of me so many times ive decided to explain and show the scheme here. It does a couple things for you. Image of the rear of a home stereo receiveramplifier. Multiple amps or amplifier channels are used to drive each individual speaker cabinet or group of cabinets in the array for mids and highs. An easy solution is to draw out a diagram to avoid confusion. The recommended speaker impedance ratings are usually listed above the speaker wire posts.
Figure 3 2 shows the wiring diagram. First it allows each individual driver to use less power thus in theory minimizing distortion as the driver does not have to work as hard. A home stereo for example may often list 6 16 ohms as being ok for use. Some cabinets have 16ohm drivers for mids and highs. The mcla wiring diagram for 24 drivers. Also attempting to wire two 8 ohm speakers in parallel to an 8 ohm stereo would have the same effect.
We are wiring four drivers. Wiring it all together and final assembly. When the monostereo switch is set to mono the two 8ω speakers are wired either in series making a 16ω cab or in parallel making a 4ω cab. This tool handles that part for you. Mono stereo cabinets the diagram below shows the wiring of a marshall 2x12 speaker cab having a monostereo selection switch and two specialized input jacks. Here is a link to the wiring diagram as a pdf file.
The other arrangement with four groups of six drivers in series would yield a net impedance of 12 ohms which i decided was just too high. Some have 8ohm drivers more mids and highs. Speaker wiring is a simple process that often gets complicated when trying to visualize the wiring configuration.
Gallery of Line Array Speaker Wiring Diagram
