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THE DESIGN PROTOCOL: PART 3,CROSSOVERS
This part deals with the heart of crossover networks' design. We have already finalized our enclosure. Since we are going to need lab measurements for all drivers (SPL / Phase responses @1m and impedances) we must assemble our cabinet, place the vent in its position, the damping material inside, all drivers onto the front baffle and generally make sure that there is no air leak except through the vent tube (for VB speakers). Needless to say that binding post assembly should also be in place even if no wires are connected. It is a good practice to have all drivers wired with long cables passing through the vent tube.
This part of the design protocol is the longest one. We have divided the material to a series of articles each one addressing a single part of the task of crossover design. They must be read in the same order as they are presented for it is this order in which they are going to be applied in real speaker project design.
They all contain worked out examples in an attempt to cover as many issues as those that might turn-up in reality. In some cases actions made in one of these steps may be cancelled at a later stage of the design process. This is natural to happen. All steps are needed and all information presented will provide us with a significant amount of experience.