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Early sketches showing one idea for the functional properties of the speaker; Different mounting options for a variety of stands and wall/ceiling brackets.
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Form sketches exploring different placements of the speaker elements and expressions.
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More sketches exploring different shapes.
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To get a better grip of what shapes and expressions that attracted potential customers, I created some abstract forms. I then made a quick survey to check which ones that were most popular. The winners was Form 3 and Form 4.
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After the survey I tried to combine the two most popular shapes into a loudspeaker. I was not that pleased with the result, so I went back to the drawing board.
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A lot of people asked for smaller speakers than the one my previous design was based on. So I decided to make a quick test model to see if it was possible to remove one of the midrange elements. In order to get the most accurate result I also built a new case for the original speaker. I didn't want the different material properties between aluminum and chipboard to affect the sound.
Neither I nor the other people I asked to listen to my speakers could hear any significant difference between them. i therefore decided to make a speaker with only one 4" midrange element and the 4" tweeter.
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I tried to take the shapes I liked in my precious design and improve them for a two-element speaker. After reading some interior design magazines I also made a version with sharper lines.
To decide which one to finalize, I made another quick survey. The winner was the upper design, which also happened to be my personal favorite.
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I wasn't completely satisfied with the shape I came up with earlier, so I tried some other variations of it.
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After I had drawn up a shape that I liked, I focused on creating a protection for the speaker elements. I wanted the protection to give something extra to the design. So that the speaker had slightly different expressions if the protection was mounted or not.
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To create the subwoofer I extracted the key elements of the satellite speaker; The two circles and the different roundness of the corners. In order to get the inner volume of the enclosure I designed it in SolidWorks.
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Various examples for the protection for the subwoofer.
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The stand for the satellite speakers. They let you adjust the angle of the speakers, and they also have a smart fastener for the power-cable.
Designed in SolidWorks, rendered in KeyShot.
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I didn't think the fiberglass mesh on the speaker elements looked very professional or attractive, so I wanted to give them a new look. I tried some different combinations of colors fund in the BK Audio brand. My final decision fell upon the bottom right option, with a small blue line extracted from the lightning bolt in the BK Audio logo.
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The final design for the satellite speaker.
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The final design for the subwofer.
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Both the satellite speaker and the subwoofer have fabric protective fronts. They are attached with magnets, leaving no marks when removed.
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Different color options for the outer shell of the satellite speaker.
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In order to pass this course, and to have something more substantial to show BK Audio, I had to make a model of the speakers. i decided to make a functional model in scale 1:1.
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The finished model, which actually had a pretty good sound.

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