I opened up few subwoofers to look inside. A B&W PV1, a Velodyne SPL10, and a couple of no-names. Hope you find it interesting. :) | Speakers, Soundbars and Subwoofers
B&W PV1 subwoofer Photo #1289410 - Canuck Audio Mart
M B&W PV1 - Hifi Gear
Used Bowers & Wilkins PV1 subwoofer for £300! It slaps so hard : r/BudgetAudiophile
B&W PV1 Blanc - Caissons de basses sur Son-Vidéo.com
The B&W PV1D, new B&W PV1 replacement unit | Pure Home Theatre