Joe X Posted January 9, 2018 Report Share Posted January 9, 2018 On 1/5/2018 at 9:16 AM, AndriusLT said: Hello, I am making a dual 12 inch sub box with one square port and I wanted to ask how should i measure the port pic: Correct me if am wrong at measuring port in the picture. Just a visual of how the T shaped port needs to be done: Link to comment Share on other sites More sharing options...
AndriusLT Posted January 18, 2018 Author Report Share Posted January 18, 2018 Okay guys so correct me if I am wrong. The port length in the picture is 54.10 cm + 16.10 cm x 2 = 86.30 cm ? Link to comment Share on other sites More sharing options...
ckeeler11 Posted January 18, 2018 Report Share Posted January 18, 2018 Would not be times 2. total would be 70.20. Link to comment Share on other sites More sharing options...
AndriusLT Posted January 18, 2018 Author Report Share Posted January 18, 2018 Okay so all port length would be 54.10 cm + 15.90 cm = 70 cm ? And also from where should I start measuring the port if it is angled? Link to comment Share on other sites More sharing options...
ckeeler11 Posted January 19, 2018 Report Share Posted January 19, 2018 How drastic is tha angle? if there is a small difference from top to bottom then measuring from the bottom will be fine. If there is a significant difference from top to bottom I would measure from the middle. Link to comment Share on other sites More sharing options...
AndriusLT Posted January 19, 2018 Author Report Share Posted January 19, 2018 Okay will measure from the middle, but have I calculated right? (All port length) Link to comment Share on other sites More sharing options...
ckeeler11 Posted January 19, 2018 Report Share Posted January 19, 2018 Yes but measuring from teh middle the front to back port will be shorter so you will need to add some to the "T's" to maintain the same port length. Link to comment Share on other sites More sharing options...
AndriusLT Posted January 20, 2018 Author Report Share Posted January 20, 2018 Thanks for the information its very helpful. One more thing is it okay if I put the box close to the back seats (that's why I made it angled) even if the subs are facing backseats and port facing ski pass (Ski pass will be open all the time). As I understand everything will fire through the port into the cabin so I should not worry about drivers vibrating the seats? Or should I move the box back a little bit so the subs would have some space? Link to comment Share on other sites More sharing options...
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