coils/capacitors for crossovers?

The above mentioned crossover network will provide a 6dB/Octave roll off.  If you need 12dB/Octave, it will take a couple more components per driver.  Let us know if you are interested in the component values for said crossover.

Second order band pass filters consist of a 12 dB high pass filter followed by a 12 dB low pass filter. Either the high pass or low pass filter may be first in line. This combination of high pass and low pass filters allow a band of frequencies between the two crossover frequencies to pass with a steeper rate of cut-off than a first order filter. The high pass crossover frequency point must be lower than the low pass crossover frequency point.

As with the second order low pass and high pass filters, power above and below the respective crossover frequncies will be reduced by 93.75.% or 12 dB. Remember if the low pass frequency is less than 20 times the high pass frequency use this calculator for narrow band pass filters. For all others, use this calculator or the appropriate chart.

Higher ups, let me know that you see this so I can not lose sleep worrying about whether or not it gets fixed.

12 dB band pass filter... no, they are the same values.

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