Originally Posted by larry_bml
Did you also sealed the hole for bass reflex? In my E90 European model , the subs box has a large side hole for bas reflex, do I have to seal that to? What do you recomand for sealing the enitre subs box ?
That is part of the design and gives the excellent cabinet enclosure size, using the sills.
I use silicone sealant, stuff you use round the bath to seal them.