A few QSC E12 tweeters were somehow blown out. I’ve replaced them using a QSC voice coil replacement kit. Replacing them is pretty easy. I guess the hardest part is to remove the cover and the horn while the unit was still attached to the ceiling. ;)
![](https://timvkn.nl/tim/wp-content/uploads/sites/5/2023/08/e12horn_front.webp)
![](https://timvkn.nl/tim/wp-content/uploads/sites/5/2023/08/e12horn_closed2.webp)
![](https://timvkn.nl/tim/wp-content/uploads/sites/5/2023/08/e12horn_defective.webp)
![](https://timvkn.nl/tim/wp-content/uploads/sites/5/2023/08/e12horn_open2-rotated-1.webp)
![](https://timvkn.nl/tim/wp-content/uploads/sites/5/2023/08/voicecoil_replacemtkit2.webp)
![](https://timvkn.nl/tim/wp-content/uploads/sites/5/2023/08/e12horn-workingcoil2.webp)