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Author Topic: BS-212 Test Sweeps  (Read 8089 times)

Too Tall (Curtis H. List)

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Re: 'little 18" 20hz horn?
« Reply #20 on: January 03, 2006, 10:24:14 am »

Antone Atmarama Bajor wrote on Tue, 03 January 2006 03:48



    The only problems I'm foreseeing is that For a live Bass Guitar Rig, Boundaries won't always be available.  And Sheet rock walls start becoming acoustically transparent to Low Frequency Energy in the Low 30's.  So there will not be as much 1/4 or 1/8th space loading at the lower frequencies.    

Antone-  


My understanding was that the box you just built is a reflex. If so, then a sealed will act the same when loaded by wall boundaries or corners and wall construction. The big advantage is it should be smaller.
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Too Tall
        Curtis H. List    
             Bridgeport, Mich.   
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Independent Live Sound Engineer (and I'm Tall Too!)

Antone Atmarama Bajor

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Re: 'little 18" 20hz horn?
« Reply #21 on: January 03, 2006, 12:54:18 pm »

     Yes mine is reflex.

    But not all stages have convenient walls to couple your closed box subs too.  Especially outdoors.  Sheet rock will let a lot of the sub bass pass through it instead of act like a perfect reflective surface.  In Theory you can get all the gain of boundary loading, but theories rely on perfect circumstances.

Antone-
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