WebFrequently Bought Together. Acoustics 101 : Speaker design basics and enclosure design. How to design your own sealed or bass reflex enclosure. Loud speaker building techniques for a great DIY audio system.Rating: 4.6 out of 51502 reviews3.5 total hours41 lecturesAll LevelsCurrent price: $15.99Original price: $89.99. Marius Tanasescu. Websand paper. Step #1. Unscrew and discard the little clear plastic ear piece from the earphone. Use a small piece of 120 grit sand paper and very gently sand a spot in the center of the tin diaphragm. Be careful not to sand/push to hard or you may damage the diaphragm, it's fragile!
How to Build a Speaker Box: 12 Steps (with Pictures)
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Build a Paper Speaker STEM Activity - Science Buddies
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