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<blockquote data-quote="T3mpest" data-source="post: 6671824" data-attributes="member: 560148">wow, learn to use winisd before you attempt to judge a sub with it.&nbsp; Your looking at the gain plot....&nbsp; That shows frequency responce relative to itself, hence the -1, -3, etc.&nbsp; What actual SPL levels your getting is going to be different.&nbsp; &nbsp; Do that again, click the SPL tab buttom up top then you can see the actual difference in SPL.&nbsp; The frequency response is similar because a 12 needs about half the airspace to sound similar, just won&#039;t be as loud.Despite what 99% of this forum thinks modelling programs do work if you know how to use them.&nbsp; More importantly how to interpert what they see to fit their goals, when taking into account cabin gain.&nbsp; If you can do this, you can get alot closerthan most people who simply use standard recommendations, such as &quot;well XXX brand likes to be tuned at 43.19249hz..&nbsp;&nbsp; Anyway I&#039;m done ranting lo and i helped lol..</blockquote>

[QUOTE="T3mpest, post: 6671824, member: 560148"] wow, learn to use winisd before you attempt to judge a sub with it. Your looking at the gain plot.... That shows frequency responce relative to itself, hence the -1, -3, etc. What actual SPL levels your getting is going to be different. Do that again, click the SPL tab buttom up top then you can see the actual difference in SPL. The frequency response is similar because a 12 needs about half the airspace to sound similar, just won't be as loud. Despite what 99% of this forum thinks modelling programs do work if you know how to use them. More importantly how to interpert what they see to fit their goals, when taking into account cabin gain. If you can do this, you can get alot closerthan most people who simply use standard recommendations, such as "well XXX brand likes to be tuned at 43.19249hz.. Anyway I'm done ranting lo and i helped lol.. [/QUOTE]

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