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resonant frequency
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<blockquote data-quote="KARLEON" data-source="post: 461607" data-attributes="member: 541893"><p>Ok, this is what i did. I had my cheap radio shack meter. I heard you are suppose to use a sealed box with a 10 or 12. But i dont have a sealed box just laying around nor do i have the extra cash to buy some wood to make one. So i just used my subwoofer enclosure i have now for my Magnum D2s. Its tuned to 29hz, but i just done my best to plug it up. My drill was giving me problems, so i couldnt just tighten another piece of wood over my vent. I found a scrap piece of wood i had from making that enclosure and put it in there. It was still very loose, so i took 2 of my school shirts, folded them up real tight and stuff them in there as well. To top it off, i duck taped the crap out of all of it. So you can basically say i had a sealed box.</p><p></p><p>First, i went ahead and set my head units EQ to 0 (or basically just made everything flat with no negatives or postives) On my sub level, i had that on 2 of 12. And my head unit volume i set at 0 with no negatives or positives. So basically everything was flat as i could make it.</p><p></p><p>The cd i used had tones from 20hz-80hz. I only played and recorded from 30hz-56hz. My accord ended up peaking at 49hz. I then went and played with my amplifier settings. I got my lil sister to hold the meter while i just turned up settings to its max and back down to its least to see where i would be getting the most of my amp at. I set all of that accordingly.</p><p></p><p>All i need to know now is, when designing my subwoofer enclosure. Im still lost on how many octaves below tuning should it be. The 1/2, 1/4. or 1/8. Im pretty sure its not the 1/2, but one of you SPL heads on here needs to help me out. Please //content.invisioncic.com/y282845/emoticons/toast.gif.bc0657bf54b9ee653b6438524461341e.gif Other than that, i think i am fine. Soon as im done, the meter is going back to radio shack, so i can get my money back to go to Lowes to buy my enclosure stuff. lol. Anyways, please help if you all know where would it be best to tune my box too if my resonant frequency is 49hz</p></blockquote><p></p>
[QUOTE="KARLEON, post: 461607, member: 541893"] Ok, this is what i did. I had my cheap radio shack meter. I heard you are suppose to use a sealed box with a 10 or 12. But i dont have a sealed box just laying around nor do i have the extra cash to buy some wood to make one. So i just used my subwoofer enclosure i have now for my Magnum D2s. Its tuned to 29hz, but i just done my best to plug it up. My drill was giving me problems, so i couldnt just tighten another piece of wood over my vent. I found a scrap piece of wood i had from making that enclosure and put it in there. It was still very loose, so i took 2 of my school shirts, folded them up real tight and stuff them in there as well. To top it off, i duck taped the crap out of all of it. So you can basically say i had a sealed box. First, i went ahead and set my head units EQ to 0 (or basically just made everything flat with no negatives or postives) On my sub level, i had that on 2 of 12. And my head unit volume i set at 0 with no negatives or positives. So basically everything was flat as i could make it. The cd i used had tones from 20hz-80hz. I only played and recorded from 30hz-56hz. My accord ended up peaking at 49hz. I then went and played with my amplifier settings. I got my lil sister to hold the meter while i just turned up settings to its max and back down to its least to see where i would be getting the most of my amp at. I set all of that accordingly. All i need to know now is, when designing my subwoofer enclosure. Im still lost on how many octaves below tuning should it be. The 1/2, 1/4. or 1/8. Im pretty sure its not the 1/2, but one of you SPL heads on here needs to help me out. Please [IMG]//content.invisioncic.com/y282845/emoticons/toast.gif.bc0657bf54b9ee653b6438524461341e.gif[/IMG] Other than that, i think i am fine. Soon as im done, the meter is going back to radio shack, so i can get my money back to go to Lowes to buy my enclosure stuff. lol. Anyways, please help if you all know where would it be best to tune my box too if my resonant frequency is 49hz [/QUOTE]
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