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Message: <blockquote data-quote="headless" data-source="post: 1936123" data-attributes="member: 566363"><p>Crossovers are additive, and they aren't solid - they work on a curve...an 18db crossover stacked on a 24db crossover would cut out way more sound than just an 18db crossover. It's not that your deck is cutting out ALL sound below 80hz...80hz is the crossover point...that's where the signal is 6db quieter than 'normal'. If you stack 2 crossovers on top of eachother @ 80hz, then sound @ 80hz would be 12db quieter than it should be, not 6db. By natural extension of this concept (not a solid wall where sound is cut off, but a gradual lessening) you can see that around the crossover point, sound would be effected in the same way -- by the time you're one octave away, you've got an additive 'cut' of 24db MINUS another 18db...36db?!</p></blockquote><p></p>

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