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Designing a 4th order 3 way crossover

I'm designing a 4th order 3 way crossover for some 3 way speakers consisting of the following Dayton Audio speakers:
ND25TA-4
RS52AN-8
RS225-8

I know very well a speaker is not just a resistor and inductor but thats as close as I can get with my favourite circuit simulator, enable European resistors in the options menu...: Heres the circuit

The problem is, as you can see on the graph on the right, the source current draw at 1 volt makes the minimum impedance of the mid driver bandpass section about 3.33 ohm's, I'm afraid that might be too low for the Pioneer VSX-924 I plan on using.

Is there an ideal solution to this?
 
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