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Old 5th February 2016
Lives for gear

Originally Posted by AlexK View Post
I don't really understand. The air particle velocity will be the same as a passive radiator once outside the cabinet.

The only real difference between a passive radiator and a port is the nature of the acoustic impedance conversion...
Close to the port opening and close to the PR there will be a clear difference. Unless the port has same opening area as the actie surface of the PR.

The ported solution will be more sensitive to nearby objects/surfaces.

Not a very big thing but if you get close to the back wall it will give different results by this mechanism.