High Efficiency Speaker Asylum: RE: Bass reflex vs acoustic suspension vs inf. baffle by Jeff Need speakers that can rock with just one watt? You found da place.

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Posted by Jeff (A ) on October 20, 2016 at 18:37:35

In Reply to: RE: Bass reflex vs acoustic suspension vs inf. baffle posted by hahax@verizon.net on September 10, 2016 at 11:28:39:

What, you cannot actually read books to learn?
Buy "Bullock On Boxes" and study it.

https://www.google.com/#q="bullock+on+boxes"

Warning, actual college level math is required.

Distortion goes up with excursion.
Reflex has much lower excursion than acoustic suspension (at the same SPL).
This only applies at and above tuning frequency (a woofer suitable for either use goes lower and louder in a bigger BR enclosure, with lower distortion).

You might also want to look at horn enclosures, much harder to design and build but have even lower excursion.

Here's a man that does horns 'right':
http://www.prosoundweb.com/article/in_profile_tom_danley_exploring_the_possibilities_of_audio_technology/

You'll get more respect if you actually research your own inquiries instead of arguing with people sharing their hard won experience.

FYI: I've built dozens of speakers from 1/4 to 25 cubic foot, I have built acoustic suspension, reflex and horn enclosures. I supported myself through the 80's doing live sound with cabinets I designed and built. Too hard on the body, I had to give it up before I caused my body to break down by moving a ton (literally) of gear several times a week.

It is really cool to see Tom Brennan and Freddy Ireson still posting here.

• Tom Danley   (Open in New Window)

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