If you want to put them on a bookshelf, you'll need sealed enclosures or front ported. Front ports put a limitation on the size of the front baffle, which leaves you with a sealed box.
My understanding is that modern port design provides more advantages
If you want to put them on a bookshelf, you'll need sealed enclosures or front ported. Front ports put a limitation on the size of the front baffle, which leaves you with a sealed box.
My understanding is that modern port design provides more advantages