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Enclosure Design & Construction
American Bass Hawk 1244 - 4th Order Bandpass
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<blockquote data-quote="audatrucking" data-source="post: 8747106" data-attributes="member: 680441"><p>I've been trying to enter the T/S Parameters for an American Bass Hawk 1244 into WINISD according to the certain order they specify letting it auto-calculate several and failing miserably. For one I have no idea what msqM possibly stands for since there is no such measurement for Sd that I'm aware of. You would think it's a typo and really mm2 but the value makes no sense even then. I tried not entering it and using other values or even entering the basic 480 cm2 for a 12" sub in its place to get me in the ballpark. Nothing is jiving at all in WINISD and ending up in crazy off the wall auto-calculated values. I've scoured different methods to enter only the parameters and still fall flat on my face. </p><p></p><p>I think the values provided by American Bass are not exactly sufficient or maybe nowhere near precise. Anybody had this issue with American Bass parameters and entering them into WINISD? I know WINISD can be pretty picky. I'm using the latest WINISD.</p><p></p><p>I'm building a single 12" 4th order bandpass that will go in the back of a RZR 800S. When I called American Bass, they recommend 1.25 ft3 for sealed but I would much rather have everything graphed in WINISD before making decisions. Most likely going with a 2:1 tuned to around 45-46Hz from what I can halfway get to work in WINISD. The values American Bass provides is attached. It will be run in parallel at a 2 ohm load with near 1250W-1500W RMS to it.......going to require lots of AGM battery power.</p><p></p><p>Anybody have any advice or luck entering these provided values? Appreciate the guidance.</p></blockquote><p></p>
[QUOTE="audatrucking, post: 8747106, member: 680441"] I've been trying to enter the T/S Parameters for an American Bass Hawk 1244 into WINISD according to the certain order they specify letting it auto-calculate several and failing miserably. For one I have no idea what msqM possibly stands for since there is no such measurement for Sd that I'm aware of. You would think it's a typo and really mm2 but the value makes no sense even then. I tried not entering it and using other values or even entering the basic 480 cm2 for a 12" sub in its place to get me in the ballpark. Nothing is jiving at all in WINISD and ending up in crazy off the wall auto-calculated values. I've scoured different methods to enter only the parameters and still fall flat on my face. I think the values provided by American Bass are not exactly sufficient or maybe nowhere near precise. Anybody had this issue with American Bass parameters and entering them into WINISD? I know WINISD can be pretty picky. I'm using the latest WINISD. I'm building a single 12" 4th order bandpass that will go in the back of a RZR 800S. When I called American Bass, they recommend 1.25 ft3 for sealed but I would much rather have everything graphed in WINISD before making decisions. Most likely going with a 2:1 tuned to around 45-46Hz from what I can halfway get to work in WINISD. The values American Bass provides is attached. It will be run in parallel at a 2 ohm load with near 1250W-1500W RMS to it.......going to require lots of AGM battery power. Anybody have any advice or luck entering these provided values? Appreciate the guidance. [/QUOTE]
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American Bass Hawk 1244 - 4th Order Bandpass
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