I saw this DIY projects a few years ago and it still amazes me. This horn subwoofer is built right underneath the floor of the audio room (1 meter in depth). The folks at Royal Device developed and built not just one, but a pair of subwoofers.
Each horn is 9.5 meters long and has a floor mouth area of 2.2 square meters and reproduce starting from 10 Hertz FULL POWER. The real mouth area IS NOT the one on the floor. The real mouth have to be considered together with the side vertical frontal panel. The total horn is calculated onto the listening point considering the side walls and the ceiling loadings. This reduces the floor mouth that is not in open air.
Each horn is driven by 8 x 18″ (47 cm) woofers. A total of 16 woofers.
Royal Device Subwoofer Project
Don’t have a basement this big? Well, browse through our catalog for the best subwoofers for stereo systems and be amazed on the low, low prices but distinct quality!
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