FD51-4OS 50mm Full Range Speaker Driver 3d model
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FD51-4OS 50mm Full Range Speaker Driver

FD51-4OS 50mm Full Range Speaker Driver

by Thingiverse
Last crawled date: 4 years, 4 months ago
FD51-4OS is an Open Source 50mm 3D printed speaker driver which is also full range, making it a usable option by itself. It is designed as a educational speaker due to its lower than industry driver SPL, but produces enough for a Bluetooth speaker.
It's smaller size than other attempts allows 3D printed cabinets to also be used, and with printed flexible surrounds is the most 3D printed option I can find. It also supports Tom's M3-SK project allowing you to build and learn before committing to using FD51-4OS in a finished product.
FD51-4OS has also had not only frequency response measured using a EMM-6 Dayton calibrated microphone, but also Thiele & Small parameters measured to allow you to build around this data. Add to this the simple parts list, cost is kept down as is complexity.

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