Assertion: subwoofer | /r/HasProperty | ported design
Facets:
Source sentences:
text: And if your subwoofer is a ported design (a subwoofer with an opening to allow airflow), you’ll want to keep it twice the diameter of the port (typically 6-12 inches) away from a wall to allow airflow out of the port.
text: If your subwoofer is a ported design, keep it at least twice the diameter of the port exit (probably 6-12 inches) away from the nearest wall, so that air flowing out of the port is not obstructed.