Bose Acoustimass 5 III System "onkyo av receiver manual" Questions

...Onkyo SR506 av receiver? Well, first of all this speaker system is designed to give you a subwoofer where you do not have a sub-woofer output on your receiver/amp. However, that is not the case with ...

...Onkyo? Do you have the speakers placed correctly, like 18" from the wall? These speakers don't have a lot of bass unless they are placed correctly against a wall. They really sound best in a corner. ...