Here's two interesting videos to watch where the B& W PV1 Subwoofer, first video (skip to about 9 minutes) and the second video, the Nautilus tweeter, are both taken apart.
Impressed by build quality, especially of the PV1, although the parts used has been questionable.
https://www.youtube.com/watch?v=AHxmh05kWAc
https://www.youtube.com/watch?v=2TJeVzjWizQ
Impressed by build quality, especially of the PV1, although the parts used has been questionable.
https://www.youtube.com/watch?v=AHxmh05kWAc
https://www.youtube.com/watch?v=2TJeVzjWizQ