Check my calculations... Plz

Zepcoe Silver Member Username: Zepcoe TN Us Post Number: 278 Registered: Apr-06	Posted on Tuesday, May 09, 2006 - 23:26 GMT https://www.ecoustics.com/electronics/forum/car-audio/222795.jpg 33hz port 4x6 square port is this correct?
drivingreckless Silver Member Username: Drivingreckless Near tampa, Florida United state... Post Number: 264 Registered: Apr-06	Posted on Tuesday, May 09, 2006 - 23:27 GMT how long are ur ports?
Zepcoe Silver Member Username: Zepcoe TN Us Post Number: 279 Registered: Apr-06	Posted on Wednesday, May 10, 2006 - 00:57 GMT 4x6
Zepcoe Silver Member Username: Zepcoe TN Us Post Number: 280 Registered: Apr-06	Posted on Wednesday, May 10, 2006 - 01:33 GMT plz some info