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<blockquote data-quote="shredder2" data-source="post: 8664712" data-attributes="member: 674047">Winisd uses t/s parameters... youll see a predicted response.... calcs don&#039;t.  Its true a slightly higher tune will most likely have a bit more output and even more pronounced in a vehicle probably. But its at the expense of extension... 37-38hz is not too bad tho and unless you combine that with a big volume it shouldn&#039;t be too peaky in my experience and still have decent extension.I always model and try to find what compromise works best without limiting output. I just re-did a design for an xtr2500 on 2 Sa-15&#039;s that I was planning for the S-10 Blazer I had that got wrecked.... a 37hz tune in 9ft3.After modeling it up again I was suprised how nicely it did.. so I drew it up.<img src="https://snag.gy/uEmVdL.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Looks like that higher tune will still get down a bit and have some decent output... I  miss that BlazerI&#039;ve tried Sundown&#039;s contact several times lately and gotten no response... I hope you have better luck</blockquote>

[QUOTE="shredder2, post: 8664712, member: 674047"] Winisd uses t/s parameters... youll see a predicted response.... calcs don't. Its true a slightly higher tune will most likely have a bit more output and even more pronounced in a vehicle probably. But its at the expense of extension... 37-38hz is not too bad tho and unless you combine that with a big volume it shouldn't be too peaky in my experience and still have decent extension. I always model and try to find what compromise works best without limiting output. I just re-did a design for an xtr2500 on 2 Sa-15's that I was planning for the S-10 Blazer I had that got wrecked.... a 37hz tune in 9ft3. After modeling it up again I was suprised how nicely it did.. so I drew it up. [IMG]http:////applications/core/interface/imageproxy/imageproxy.php?img=https://snag.gy/uEmVdL.jpg&key=8ea54ac49908ce7c254ec2fb864cda06fe226b11d9c2b0c31cc144ff06fe438c[/IMG] Looks like that higher tune will still get down a bit and have some decent output... I miss that Blazer I've tried Sundown's contact several times lately and gotten no response... I hope you have better luck [/QUOTE]

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