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<blockquote data-quote="DJ Jester" data-source="post: 724774" data-attributes="member: 559329">Okay. I haven&#039;t completely decided which subs I&#039;m getting yet. I do know that I&#039;m getting two 12&quot; or two 13&quot;, depending on brand. I&#039;m going to build my own box with 3/4&quot; and 1&quot; MDFWhat I&#039;m curious about is if the design of the box I want to use will cause problems in the sound.The box will be about 1.20 ft/cu per woofer. It will be 36 inches long and 16 inches high. Basically it will be shaped like two single wedges sitting facing one another on a four inch thick platform connecting the bottoms of the two woofers The woofers will be facing one another and angled upward at an approx. 25 degree angle. They will be separated by about 18 inches.My question is whether there will be detrimental effects on the sound due to the woofers facing one another. I know a LITTLE bit about the physics of waves and sound, but I wasn&#039;t sure if doppler wave effects or other effects of colliding sound waves would cause there to be sound discrepancies. Maybe it would if they were closer, but not this far apart..........or maybe it still will.Someone who has knowledge of a setup like this&nbsp; or knows that you should never do this please let me know why I shouldn&#039;t do this if thats the case.Actually, if someone has information about why this is a GOOD setup, please tell me that also. I did think that there is a possibility that doppler effects could cancel some of the distortion and make the sub louder as well,&nbsp; but maybe not, on such a small level, and with reflections from the roof of the vehicle entering the area as well. Who knows!?!?Please let me know. Thanks for all the great help from the knowledgable people on this forum.Jester</blockquote>

[QUOTE="DJ Jester, post: 724774, member: 559329"] Okay. I haven't completely decided which subs I'm getting yet. I do know that I'm getting two 12" or two 13", depending on brand. I'm going to build my own box with 3/4" and 1" MDF What I'm curious about is if the design of the box I want to use will cause problems in the sound. The box will be about 1.20 ft/cu per woofer. It will be 36 inches long and 16 inches high. Basically it will be shaped like two single wedges sitting facing one another on a four inch thick platform connecting the bottoms of the two woofers The woofers will be facing one another and angled upward at an approx. 25 degree angle. They will be separated by about 18 inches. My question is whether there will be detrimental effects on the sound due to the woofers facing one another. I know a LITTLE bit about the physics of waves and sound, but I wasn't sure if doppler wave effects or other effects of colliding sound waves would cause there to be sound discrepancies. Maybe it would if they were closer, but not this far apart..........or maybe it still will. Someone who has knowledge of a setup like this or knows that you should never do this please let me know why I shouldn't do this if thats the case. Actually, if someone has information about why this is a GOOD setup, please tell me that also. I did think that there is a possibility that doppler effects could cancel some of the distortion and make the sub louder as well, but maybe not, on such a small level, and with reflections from the roof of the vehicle entering the area as well. Who knows!?!? Please let me know. Thanks for all the great help from the knowledgable people on this forum. Jester [/QUOTE]

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