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DIY & Tutorials
DIY For Audio
MY DIY Sub, I'm actually taking the plunge
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<blockquote data-quote="gbyleveldt" data-source="post: 4150" data-attributes="member: 122"><p>Hey Chip,</p><p></p><p>Check the plots in the first post. At 50Hz your output is similar, but at 20Hz you are up about 3dB. That is for a box almost double the size! I have pretty big amps I'm running into these subs and I have two. Also, I want to stay away from the box tuned frequency so that I can have a more predictable behavior from the sub at lower frequencies. I then compensate for the 12dB roll off of that sealed enclosure with some EQ. See Rod Elliot's site for a full description on the process. That way I could PROBABLY tune the thing flat to around 30Hz with still decent output.</p><p></p><p>Just with an active XO around 65Hz and no eq this thing really means business, especially because these woofers have a 12mm xmax. They're also pretty cheap on special and I might just get another two if I feel silly. I'm actually still waxing Martin for his 4 18's as I just had a project that came up using those (hint, hint :icon_naughty: :icon_naughty: )</p><p></p><p>Cheers</p><p></p><p>Gert</p></blockquote><p></p>
[QUOTE="gbyleveldt, post: 4150, member: 122"] Hey Chip, Check the plots in the first post. At 50Hz your output is similar, but at 20Hz you are up about 3dB. That is for a box almost double the size! I have pretty big amps I'm running into these subs and I have two. Also, I want to stay away from the box tuned frequency so that I can have a more predictable behavior from the sub at lower frequencies. I then compensate for the 12dB roll off of that sealed enclosure with some EQ. See Rod Elliot's site for a full description on the process. That way I could PROBABLY tune the thing flat to around 30Hz with still decent output. Just with an active XO around 65Hz and no eq this thing really means business, especially because these woofers have a 12mm xmax. They're also pretty cheap on special and I might just get another two if I feel silly. I'm actually still waxing Martin for his 4 18's as I just had a project that came up using those (hint, hint :icon_naughty: :icon_naughty: ) Cheers Gert [/QUOTE]
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DIY & Tutorials
DIY For Audio
MY DIY Sub, I'm actually taking the plunge
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