Enclosure for deep bass.

I have decided to go a different direction with this enclosure design. I am not going to disclose any information yet other than saying that I am confident that my original expectations will be exceeded. I will also say that I have discussed my plans with the right people.

I will do my best to document performance when the enclosure is complete. Thanks to all that offered input. You have prompted me to investigate more deeply into this endeavor, which has opened up a few doors that I did not know existed.

 
I have decided to go a different direction with this enclosure design. I am not going to disclose any information yet other than saying that I am confident that my original expectations will be exceeded. I will also say that I have discussed my plans with the right people.
I will do my best to document performance when the enclosure is complete. Thanks to all that offered input. You have prompted me to investigate more deeply into this endeavor, which has opened up a few doors that I did not know existed.
Oh no, he's going to a PR set-up. //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 
Well... First off... 25hz w/ a 10" Type ARRHHHH ????? That's goin' to be a VERY faint note.2nd: you're not goin' to achieve more excursion in a sealed box.

* Being sealed = tighter bass, stiffer sub... It doesn't give your sub any time to move. ( Like you're wanting it to )

3rd: you need a ported enclosure...
You really don't know what you're talking about, do you?

 
Subsonic, what do you do for a living? You seem to have a solid knowledge of wave and acoustic vibrations theory, but they don't apply here. As an engineering student, I'll let you know that what you learn in the classroom doesn't really apply to car audio half as much as it does for home audio. This is why you design enclosures entirely different depending on the architecture surrounding the system. If you're not set, listen to helotaxi; he's smart as **** with this shit and I learned a lot from him before he vanished a few years ago //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 
Subsonic, what do you do for a living? You seem to have a solid knowledge of wave and acoustic vibrations theory, but they don't apply here. As an engineering student, I'll let you know that what you learn in the classroom doesn't really apply to car audio half as much as it does for home audio. This is why you design enclosures entirely different depending on the architecture surrounding the system. If you're not set, listen to helotaxi; he's smart as **** with this shit and I learned a lot from him before he vanished a few years ago //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif
I absolutely agree with your comments on automotive interior architecture, there are endless variables that affect the propogation and transmission of wave energy throughout the vehicle, further compounded by even the very dynamic nature of the vehicles many possible geometrical configurations. This "listening room" (to compare what is being done to a home audio setup) that we are trying to create changes inherently everytime a window is adjusted, a sunroof is opened, a seat position is changed, and profoundly as the barometric pressure fluctuates.

I also agree that while extensive knowledge of physics allows an enthusiast to better understand the results of actual experimentation within our "labs" (vehicles), one cannot possibly fully predict the behavior of drivers, and the waves that they produce in any vehicle. Prior knowledge of science helps us plan, but new, further understanding of science (through the learning that takes place prompted by data gathered from experimentation) is what allows us to move forward and make improvements.

One more quick comment. (PV this part is not directed at you) Although I am new here, I would like present one idea. Instead of offering a purely negative feedback, or feedback that is overly simplified and in absence of sufficient explanation, try offering a comment that is well grounded in some type of research, or honest and accurate prior knowledge that has been tested sufficiently, rather than a resonse driven by sarcasm or satire or the likes of. I would speculate that the amount of learning that takes place in this forum would increase. I just want to understand the most possible, and hopefully help others do so as well in the future. For reference, this thread has not been a problem, and has been very helpful as stated above.

Just my personal insight. Take it as you wish, for whatever its worth.

Thanks again for all of the input.

 
I absolutely agree with your comments on automotive interior architecture, there are endless variables that affect the propogation and transmission of wave energy throughout the vehicle, further compounded by even the very dynamic nature of the vehicles many possible geometrical configurations. This "listening room" (to compare what is being done to a home audio setup) that we are trying to create changes inherently everytime a window is adjusted, a sunroof is opened, a seat position is changed, and profoundly as the barometric pressure fluctuates.
I also agree that while extensive knowledge of physics allows an enthusiast to better understand the results of actual experimentation within our "labs" (vehicles), one cannot possibly fully predict the behavior of drivers, and the waves that they produce in any vehicle. Prior knowledge of science helps us plan, but new, further understanding of science (through the learning that takes place prompted by data gathered from experimentation) is what allows us to move forward and make improvements.

One more comment. Although I am new here, I would like present one idea. Instead of offering a purely negative feedback to comments that have been made in a thread, try offering a comment that is well grounded in some type of research, or honest and accurate prior knowledge that has been tested sufficiently, rather than a resonse driven by sarcasm or satire or the likes of. I would speculate that the amount of learning that takes place in this forum would increase. I just want to understand the most possible, and hopefully help others do so as well in the future.

Thanks again for all of the input.
Words..........lol

 
I don't know what I'm takin' about????... That's funny.
I'm glad you have a sense of humor, because I personally don't find someone wanting deep bass being told to tune to 40hz and then spouting acoustical fallacies to be humorous.
 
I absolutely agree with your comments on automotive interior architecture, there are endless variables that affect the propogation and transmission of wave energy throughout the vehicle, further compounded by even the very dynamic nature of the vehicles many possible geometrical configurations. This "listening room" (to compare what is being done to a home audio setup) that we are trying to create changes inherently everytime a window is adjusted, a sunroof is opened, a seat position is changed, and profoundly as the barometric pressure fluctuates.
I also agree that while extensive knowledge of physics allows an enthusiast to better understand the results of actual experimentation within our "labs" (vehicles), one cannot possibly fully predict the behavior of drivers, and the waves that they produce in any vehicle. Prior knowledge of science helps us plan, but new, further understanding of science (through the learning that takes place prompted by data gathered from experimentation) is what allows us to move forward and make improvements.

One more quick comment. (PV this part is not directed at you) Although I am new here, I would like present one idea. Instead of offering a purely negative feedback, or feedback that is overly simplified and in absence of sufficient explanation, try offering a comment that is well grounded in some type of research, or honest and accurate prior knowledge that has been tested sufficiently, rather than a resonse driven by sarcasm or satire or the likes of. I would speculate that the amount of learning that takes place in this forum would increase. I just want to understand the most possible, and hopefully help others do so as well in the future. For reference, this thread has not been a problem, and has been very helpful as stated above.

Just my personal insight. Take it as you wish, for whatever its worth.

Thanks again for all of the input.
Just to let you know, your writing style is far above the average CA.com er's reading level //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif
 
Just to let you know, your writing style is far above the average CA.com er's reading level //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif
I write in a highly technical fashion in order to avoid any ambiguity in reader perception of my statements. I think it is approiate for the desired level of technicality in the discourse of this particular thread.

While I do understand that writing may seem shifted towards the advanced end of the spectrum, I certainly do not think that the experience (of reading through this thread)is going to be detrimental to anyone in the long term.

To put it in simpler words... it's good to get some higher level reading practice.

Also, I will be the first to admit that my spelling is mediocre.

 
SubSonicSounds,

I'm shocked whenever I see someone on this site that has even a basic knowledge of the English language. The fact that you can structure sentences is fantastic, and as such, I would assume that you're looking for some knowledgeable people to share your ideas with.

Therefore, I would HIGHLY recommend you visit the forum at http://www.soundsolutionsaudio.com and post your discussion there.

More often then not, this forum is a complete joke. (Which is why I love it so much) //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

 
Yep, it really is nice and somewhat shocking to find complete sentences on this forum. SSA has a higher audio IQ on average than this place. The trolls and idiots here chased a lot of the smart guys over there and few of them make very regular appearances here any more, though some of them are, in fact, mods on this forum.

 
If anything, ask this on diyaudio.com or avsforum.com. Both sites would gladly help you if you conduct yourself in a professional fashion, but be warned, their collective sense of humor is nonexistent.

 
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