Free air resonance


Hello all,

Is a speaker with a free air resonance of 25 hz meaningfully different from one with a free air resonance of 38 hz?

Specifically: is the one at 25 hz low enough to be in a sealed enclosure, as opposed to the one at 38 hz which most likely/definitely should be in a ported enclosure? And why?

Thank you in advance …

unreceivedogma

@erik_squires I looked at DIYaudio, and I'll look again, but I didn't see content as well-directed as this thread. Is REM a cabinet simulator app? Are there any free apps that are adequate? I am wondering if my first question is even possible - to lower effective response with the cabinet? and if the stiffness will help or hinder in that regard? 

@hsbrock , That is what ported closers are all about. It is not the kind of driver I am use to dealing with. A BL of 31 is a very potent motor. It sounds like more of a driver for infinite baffle designs.

Thank you @mijostyn. Can anyone tell me if REM is the software that would help me? Or is there another app I should look into? And this is what I am undecided over: a ported closure to extend response from 38 down to 25, or if an infinite baffle will take it to 25 anyway without a port?  (I guess I need the cabinet simulator app as @eric_squires noted.)

Op,

 

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