nepjr32 Posted December 9, 2015 Report Share Posted December 9, 2015 Building a t line for a infinity reference series 1230 because never built i T line before and wanted to try. Im using http://www.t-linespeakers.org/design/classic.html. and was wonder how many channels back and forth should you make in the box. Most boxes I have seen are 1-3 channels back and forth but have seen as 5 and higher. Was thinking of making it with two channels back and forth any thoughts for the newbie? Link to comment Share on other sites More sharing options...
3vil Posted December 9, 2015 Report Share Posted December 9, 2015 By channels I take it you mean folds or turns? I'm no expert, but from what I've read you want as few folds as possible. The main reason you see the really complicated t-lines with lots of turns is due to space limitations for the boxes exterior dimensions. Link to comment Share on other sites More sharing options...
nepjr32 Posted December 9, 2015 Author Report Share Posted December 9, 2015 Is it as many channels to get the volume of sub would need? which is 2 cubic feet Link to comment Share on other sites More sharing options...
nepjr32 Posted December 9, 2015 Author Report Share Posted December 9, 2015 yes and i meant folds or turns. Ok i have been reading some articles and few sounds like most designs Link to comment Share on other sites More sharing options...
Joe X Posted December 9, 2015 Report Share Posted December 9, 2015 Is it as many channels to get the volume of sub would need? which is 2 cubic feet There's no compression chamber in a t-line so there's no cubic feet to meet or displacements. The classic method calls for a line cross-sectional area = ~ Sd and center line length = ~ speed of sound/( 4 x Fs), Less foldings are nice but it also depends on what the space available will let you do. Sd and Fs are sub parameters. Link to comment Share on other sites More sharing options...
Triticum Agricolam Posted December 9, 2015 Report Share Posted December 9, 2015 Is it as many channels to get the volume of sub would need? which is 2 cubic feet The box volume a sub needs only pertains to sealed and ported boxes, its irrelevant to t-lines. Like ported boxes, t-lines are very flexible and give you a lot of control over the way the sub will sound. If you are going to be designed a building a t-line, it would benefit you to have some understanding of how the specs of the line effect output. Making the line area = cone area usually results in very peaky output and much lower mechanical power handling, very similar in result to what you get when you make a ported box really big. Instead of making the line with a constant area, you can make a tapered line. It will make the line perform like its a little longer than it really is, which can save some space, but its a lot more difficult to design. "Nothing prevents people from knowing the truth more than the belief they already know it.""Making bass is easy, making music is the hard part."Builds: Link to comment Share on other sites More sharing options...
nepjr32 Posted December 9, 2015 Author Report Share Posted December 9, 2015 Is it as many channels to get the volume of sub would need? which is 2 cubic feet The box volume a sub needs only pertains to sealed and ported boxes, its irrelevant to t-lines. Like ported boxes, t-lines are very flexible and give you a lot of control over the way the sub will sound. If you are going to be designed a building a t-line, it would benefit you to have some understanding of how the specs of the line effect output. Making the line area = cone area usually results in very peaky output and much lower mechanical power handling, very similar in result to what you get when you make a ported box really big. Instead of making the line with a constant area, you can make a tapered line. It will make the line perform like its a little longer than it really is, which can save some space, but its a lot more difficult to design. ok so then how do you decide what width of your entire box? Link to comment Share on other sites More sharing options...
Joe X Posted December 9, 2015 Report Share Posted December 9, 2015 ok so then how do you decide what width of your entire box? Depends on your available space. Link to comment Share on other sites More sharing options...
Joe X Posted December 9, 2015 Report Share Posted December 9, 2015 Can you post some dims, vehicle? Link to comment Share on other sites More sharing options...
nepjr32 Posted December 9, 2015 Author Report Share Posted December 9, 2015 Can you post some dims, vehicle? I am making it for my theater box so my inside height i have decided is 7.25 in but i have 96 in to work with on width and 49 in to work with in length Link to comment Share on other sites More sharing options...
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