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**Hollywood**

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Posts posted by **Hollywood**

  1. Passive, you use the crossover supplied with most components they split the signal from on channel into two diff sets of fequencys using crossover high of tweeter and mid for midrange , Active crossovers you need an amp for each set of frequencys a amp for tweeters and a amp for mids , ( some 4 channel amps have 4 channel input ) make sence or have I made it worse ?

  2. I have built plenty of boxes in the past but never for spl , how would I go about it with out a term lab or is it possible to do it , could I build box say at 6 cf build removable port use a small hand held db mic , and test then trim and repeat tell the #s don't get higher , always using same tone from deck at same low volume ? Would that work or is there a better or even a right way to do it with out term lab ?

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