Speaker - The speaker enclosure was a three week long team project. It was designed specifically for the rotomolding process. My responsibilities included providing background information on speaker enclosure design, sketching, some 3D modeling, and the final renderings.
Driver Specifications - A small diameter full range driver was selected for this enclosure. The listed specifications served as the basis for the enclosure volume calculation.
Assembly - The part is rotomolded as a single piece, which is then cut into two, the inner and outer housing. Holes are drilled for the fill point at the bottom of the outer enclosure, as well as at the back for installation of the binding posts to connect the speaker wire. The inner housing has holes drilled for the mounting points of the speaker.
Section View - One of the easiest methods for dampening resonance in housing material is adding mass. This design has two chambers, creating a double-walled enclosure. The speaker driver is installed, and shipped to the end user, who customizes their enclosure by adding a material of their choice. Sand, or even concrete could be used to fill the enclosure. Keeping the product light weight until it reaches the end user saves shipping costs, reduces fuel use, and allows the user to utilize local materials.
Exploded View - This view shows the speaker driver, and inner and outer enclosure pieces.
Final Speaker
Final Speaker
Paul Summerson
Industrial Designer San Francisco, CA