Image Dynamics

Yesterday I was hanging around the shop I get all my stuff done at (as usual), and one of the installers there couldn't stop talking about ID. And he owns JL stuff....So I figure I've got to try this out. How would the MAX and a W7 run face to face?

 
The IDmax's and IDQ v.2's are great drivers, however somewhat expensive.

The IDmax would probaly have close or equal sound quality as the W7, however the W7 will be louder in a ported enclosure.

 
Either are exceptional woofers. You wont be disappointed with either. In my opinion though, i have to give the edge to the W7. Sound quality is very subjective, so i cant really tell ya what you will think. SPL though (loudness) can be predicted much easier. The W7 should displace a little more than the idmax, so it should be a little louder, theoretically. Its all in the eye (or ear) of the beholder. Neither will disappoint.

 
The ID Max isn't quite as good as the XXX or W7 for distortion, because it has totally parabolic BL and Kms, which means distortion steadily increases as excursion increases, whereas both the XXX and W7 have very consistent BL and suspension compliance throughout their linear range, so both will have less distortion.

The louder you play them, the more obvious the difference becomes. That being said, the ID Max is a great sub, as is the D2.

 
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Focused84

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