Three-Way 2nd-Order Linkwitz-Riley Crossover

Calculate Three-Way 2nd-Order Series Crossover

For optimal filter operation it is important to use the impedance (Z) of the loudspeaker at the cut-off frequency.
The DC resistance is NOT optimal to calculate crossover filters!

How to measure Loudspeaker Impedance

Please do not forget to reverse the midrange loudspeaker

Z : ohms at Crossover frequency
Crossover frequency between the woofer and midrange : Hz
Crossover frequency between the midrange and tweeter : Hz

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