The full range driver will of course be augmented by drivers covering the lower octaves.
Full range main driver - I also like full range drivers because of their phase coherance and simplicity. It's strictly a personal preference, and it allows more flexibility in amplification. High efficiency - I like high efficiency loudspeakers. The frame supporting the baffle had to be adjustable to accommodate the different baffle sizes and placements. Not only did the baffles have to be modular or swapable. This means putting the drivers on their own separate baffles, and being able to configure them in any way. Modularity - I want to be able to test different drivers easily. For the person looking to build an inexpensive, easy to assemble speaker, open baffle designs offer great performance and can be constructed without much knowledge of woodworking and carpentry.įor my open baffle project, I wanted the following criteria This also helps create a large soundstage. Since there is no enclosure containing the back wave of the drivers, the speaker radiates out the front and back. I particularly like the open and boxless sound of the open baffle speaker. This makes building an open baffle speaker much easier and less expensive than conventional speaker designs. Just a rectangular piece of wood large enough to house the drivers, and of course drivers well suited to open baffle designs. Mostly due to the fact that one does not have to build an elaborate box, or a box at all to enclose their speakers. Open baffle loudspeaker designs are very attractive to the DIY community as well. Note the separate baffles for each driver. They have crafted some excellent sounding and good looking products that, in audiophile terms, are quite affordable. Open baffle speaker designs have been gaining in popularity recently due to the successful designs and efforts of small audio manufacturers like The Pure Audio Project and Spatial Audio. 
One can change drivers easily, and one can experiment with all kinds of speaker, wire, and vibration damping tweaks without too much difficulty.
This is the perfect speaker project for the curious DIY'er, and the tweaker. I want to share my experience in building this project in hopes that someone else will use the design, improve upon it and share it here so others can benefit. I have for a few years now been fascinated by open baffle loudspeakers, and also fascinated more recently by full range drivers (especially field coils like the Voxativ AC-X).
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