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What are pro vs con on 3" vs 4" Voice coils?


Hotdog

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when someone comes to me for a high efficiency woofer, I go with a shorter coil, lighter moving mass cone, stiffer spider, and Fs usually will end up, and stay in the mid 40s

efficient at a lower Fs, I usually use a very high Bl coil, copper wire, with a lot of layers, and use a softer suspension. I have a special 18" cone/spider combo that I use to make low Fs woofers that are really efficient , and handle pretty good power

When I say low Fs 18s, Iam talking about 13-16hz with a Bl of 68 - 80TM, hence a 18" that can go in 1.7cf sealed, or 2.5-3cf ported low

Nice.. have to hit you up some time.

I think all my questions have been answered.. hopefully anyone else wanting to know differences between coils can use this thread as starting point.

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Everything is dependent on application and goals. If subs had all the same design goals, they would all be the same just like air brakes on a big rig. Just Saying 

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Questions About Sound Quality ?? Try Here ... Sound Quality, What does it REALLY mean ?? 

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