Voiçi la doc de ses monstre
http://www.jblpro.com/pub/obsolete/Low_Frequency_Enclosures2.pdf
et quel que photo
![4530 ( Doc-Photo-Plan ) I112757_Photo085](https://2img.net/h/imageshack-france.com/out.php/i112757_Photo085.jpg)
sont plan
![4530 ( Doc-Photo-Plan ) 4530ath4](https://2img.net/r/ihimizer/img128/9594/4530ath4.jpg)
https://2img.net/r/ihimizer/img81/3982/4530bgb7.jpg
http://www.audioheritage.org/vbulletin/attachment.php?attachmentid=1306&stc=1&d=1069099004
sa ses du
pure Jbl Professionnel
![4530 ( Doc-Photo-Plan ) 1605](https://2img.net/h/www.sonicprice.fr/medias/manufacturer/images/thumb4/1/6/1605.gif)