loudest box with out sacrificing to much sq on 12 w7?

[grimreaper253 10+ year member]

im building the 2.5 at 32hz. so can you notice a noticible difference between say 28 and 34 hz? how do they sound different? i am trying to read and understand what you guys are saying but i dont realy understand. if some one could please put it in simpler words id be greatly appreiciative.

thanks ,

nick

 

[Immacomputer 10+ year member]

An enclosure tuned to 28hz will be louder from about 20-28hz than an enclosure tuned to 34hz. The enclosure tuned to 34hz will be louder from about 30-40hz than the enclosure tuned to 28hz. The upper frequency extension will be about the same between the two. The enclosure tuned to 28hz will have a flatter sound in the response while the enclosure tuned to 34hz will have more of a peak around 34hz and slightly higher.

While there are a ton of other factors, that's a basic view of it. I went from an enclosure tuned to 28hz to 32hz and there was an audible difference between them.

 

[bikinpunk 10+ year member]

An enclosure tuned to 28hz will be louder from about 20-28hz than an enclosure tuned to 34hz. The enclosure tuned to 34hz will be louder from about 30-40hz than the enclosure tuned to 28hz. The upper frequency extension will be about the same between the two. The enclosure tuned to 28hz will have a flatter sound in the response while the enclosure tuned to 34hz will have more of a peak around 34hz and slightly higher.
While there are a ton of other factors, that's a basic view of it. I went from an enclosure tuned to 28hz to 32hz and there was an audible difference between them.

Pretty much what I would've said.

To add:

The thing you have to realize with low tuned boxes is that you're ultimately bringing the output across all frequencies to a similar level (think of it as a line) which is known as a flat response. This is particularly nice for SQ setups where you don't want that pronounced response in a certain frequency range; rather you want all frequencies to have the same output (or SPL). Now, your sub plays a huge part of how flat the output will be, but the w7 is actually quite easy to get that flat response. This is good for a number of reasons, but the most important (from an SQ standpoint) is that you rid yourself of a tremendous peak in the mid 40hz range. When you tune high, you have that peak. The peak is what causes ME to dislike the response and I feel it makes the output muddy (not distorted, just too boomy).

Size of enclosure brings that peak either to the lower frequencies (large box) or to the higher frequencies (small box). Depending on your tastes you can either have a smaller box tuned high (heavy output @ 50hz range, but lacking in the 30hz range) or a larger box tuned low (flat response, but brings up the low 30hz range on par with the rest).