Difference of Vented and ported?

John Bronze Member Username: Jtb Post Number: 36 Registered: Jun-04	Posted on Monday, August 09, 2004 - 21:03 GMT Can anybody tell me what the difference is between a vented and ported box?
Joe Smoe Bronze Member Username: Invain Post Number: 20 Registered: Aug-04	Posted on Monday, August 09, 2004 - 22:24 GMT isn't it the same thing?
John Bronze Member Username: Jtb Post Number: 37 Registered: Jun-04	Posted on Tuesday, August 10, 2004 - 00:00 GMT could be lol
Jonathan Gold Member Username: Jonathan_f GA USA Post Number: 1045 Registered: May-04	Posted on Tuesday, August 10, 2004 - 01:04 GMT Vented uses vents, such as slot vents. Ported uses round or square ports, usually PVC pipe for round. Same principle and works the same, slot vents are better at higher volume levels, port noise isn't as much of an issue and slots move more air.