How to make a t-line subwoofer box? please help lol?

-i need to know if there is a website or something i can make a design for a t-line subwoofer box? i know re audio has a calculator for a regular ported box and hoping there is something like that for a t-line design, please help, anything, thank youI answered this question 4 days ago.



Here's an online calculator for transmission-line enclosures.



http://www.mh-audio.nl/TML.asp