Crossover design

I built and tested, using an oscilloscope, a passive crossover. I will use this crossover for my DIY speakers.

Quantity		Component name
1	×	Dayton Audio 0.30mH 20 AWG Air Core Inductor Crossover Coil
1	×	Dayton Audio 0.40mH 20 AWG Air Core Inductor Crossover Coil
1	×	Dayton Audio DMPC-3.0 3.0uF 250V Polypropylene Capacitor
1	×	Dayton Audio DMPC-3.0 4.0uF 250V Polypropylene Capacitor
1	×	Parts Express Red Perforated Large Hole Crossover Board Pair 3.5" x 5"