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Hello all I have a set of 12" pa woofers that i would like to horn load,I have the specs for a standard ported enclosure to get an F3 of 48hz.I'm not planning on running them that low,need a bandwidth of about 150hz to 800 hz or so.Does the enclosure still need to be made to spec when front horn loading a driver? if so I'll build the box and experiment with different horns.Also on the high end roll off could i just lowpass the woofer with a crossover? I know it's a narrow bandwidth,but I already have compression mid and tweets just need to fill the gap up between the bass bins and mids/tweets.
 

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sorry missed the part where you said you had compression drivers , will they run down to 800hz? , what size are the compression drivers i know a few specs that use 2"compression drivers but as most 2" compression drivers tend to run out of steam about 10khz depending on the horn so id put a 1" above it run it 4 way , also id recommend runnning it from about 1k to about 160hz ,and what are there intended use as i know of some quite good designs with the right drivers give you a really nice mid responce , but some of them are quite chunky
 
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