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help with 3way crossover set points
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<blockquote data-quote="T3mpest" data-source="post: 6654471" data-attributes="member: 560148"><p>He shouldn't be super off axis if he's putting the speaker his kick panels. Effeciency is a calculated measurement so while it's not the same from each manufacturer, it's going to be close especially since you midrange speaker WILL actually play the 1k tone that effeciency refers too. When one speaker is 9db's less effecient than everything else level matching can be a PITA depending on the size of your amp. You dealing with 8x less power to level match and as you begin to approach your midbass and tweets limits you hit power compression and xmax asuming you don't just run out of amp power all together.</p><p></p><p>I've run horns and high effeciency drivers actively for years, you really have to pad them even when mating them to relatively effecient drivers. Anyway alot of the best SQ cars in history used PA mids, so calling them undetailed is a bit harsh. Proper placement, level matching are the main keys with any drivers ability to give you low level details, along with low distortion which most PA speakers excel in, especially at the higher volume levels that people tend to listen to in a car vs a home. Unless he is playing with an awfully small amp I can't see a reason to choose the B&amp;C over the scan's. It just seems to fit his application better.</p><p></p><p>Anyway if your crossing your mids over actively anyway why not simply run the mids IB by venting the kick into the pillar or door frame, etc? You can avoid alot of resonance issues this way and alot of people prefer the sound of a open backed midrange.</p></blockquote><p></p>
[QUOTE="T3mpest, post: 6654471, member: 560148"] He shouldn't be super off axis if he's putting the speaker his kick panels. Effeciency is a calculated measurement so while it's not the same from each manufacturer, it's going to be close especially since you midrange speaker WILL actually play the 1k tone that effeciency refers too. When one speaker is 9db's less effecient than everything else level matching can be a PITA depending on the size of your amp. You dealing with 8x less power to level match and as you begin to approach your midbass and tweets limits you hit power compression and xmax asuming you don't just run out of amp power all together. I've run horns and high effeciency drivers actively for years, you really have to pad them even when mating them to relatively effecient drivers. Anyway alot of the best SQ cars in history used PA mids, so calling them undetailed is a bit harsh. Proper placement, level matching are the main keys with any drivers ability to give you low level details, along with low distortion which most PA speakers excel in, especially at the higher volume levels that people tend to listen to in a car vs a home. Unless he is playing with an awfully small amp I can't see a reason to choose the B&C over the scan's. It just seems to fit his application better. Anyway if your crossing your mids over actively anyway why not simply run the mids IB by venting the kick into the pillar or door frame, etc? You can avoid alot of resonance issues this way and alot of people prefer the sound of a open backed midrange. [/QUOTE]
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help with 3way crossover set points
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