Hdx3 18 bandpass design

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they are only good in 6th orders which are bigger than 4ths. Dont even waste your time with a 4th on them.  hit up hunter martin on facebook for a design.  EZDB designs is also his business name on facebook. he's made loads of 160db builds.

 
My buddy and I had 4 HDC3 15s sitting waiting for another build asked the owner if we could throw them in my buddies 6 15 4th order and he said sure. Did a 158.0 sealed with 4 in the 4th. But they do much better in a 6th. I put two of my HDC3 18s in my buddies 2 18" 6th order blow through and they did very nicely. 

Here is a **** video of the 6th order with 2 BTL 18s. IIRC it did a 54 on an Everest 5k.




 
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basshead08

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