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<blockquote data-quote="type[s5]" data-source="post: 3360794" data-attributes="member: 573972">I&#039;m trying to prepare for a comp coming up on Oct. 21st... I was suggested by our local DD dealer to make a box tuned to 45hz (he didn&#039;t specify cubes) but I wanted to try to figure out what would be best, myself. It&#039;s gonna go into a &#039;91 corolla sedan trunk that gives me, at most, 3 cubes to play with, i believe. I&#039;ve got 2 1508&#039;s to play with and hopefully I get my cadence zrs10 from CA.com by the 21st (I&#039;m currently amp-less). Right now, they&#039;re in a 2 cube box tuned to 40Hz.After playing tones in their current box from 30-60Hz, I notice good &quot;by-ear&quot; responses on 32hz w/out vibration from the car. Once I hit 40-55hz, I can hear it get louder but I&#039;m getting a ton of vibration from the car. So now i&#039;m wondering how to approach the situation with the time I have left til the 21st. Sound dampening the trunk fully and keep my current box, or build a bigger/higher or lower-tuned box and leave just my trunk lid deadened?</blockquote>

[QUOTE="type[s5], post: 3360794, member: 573972"] I'm trying to prepare for a comp coming up on Oct. 21st... I was suggested by our local DD dealer to make a box tuned to 45hz (he didn't specify cubes) but I wanted to try to figure out what would be best, myself. It's gonna go into a '91 corolla sedan trunk that gives me, at most, 3 cubes to play with, i believe. I've got 2 1508's to play with and hopefully I get my cadence zrs10 from CA.com by the 21st (I'm currently amp-less). Right now, they're in a 2 cube box tuned to 40Hz. After playing tones in their current box from 30-60Hz, I notice good "by-ear" responses on 32hz w/out vibration from the car. Once I hit 40-55hz, I can hear it get louder but I'm getting a ton of vibration from the car. So now i'm wondering how to approach the situation with the time I have left til the 21st. Sound dampening the trunk fully and keep my current box, or build a bigger/higher or lower-tuned box and leave just my trunk lid deadened? [/QUOTE]

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