Wayne Parham Messages: 18683 Registered: January 2001
Illuminati (33rd Degree)
Crossover prices are per board.
The required attenuation will probably be something like 12dB or 14dB. You can easily match sensitivities of midwoofer and tweeter with π pad R1/R2 values but it takes a design/test cycle to set the position of the forward lobe and vertical nulls. You probably shouldn't assume that the Kappalite 3015 will work as a drop-in replacement for the JBL 2226 or the Omega 15. There are differences that may require crossover changes in the low-pass network. The link below describes the process I use to optimize the crossover for the drivers chosen.
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