Simple schematics 2-Way Active Crossover

This is an active crossover circuit that follows a linear phase response, but for applications that follow the two-way active crossover philosophy. Theoretical analysis you can see on the same circuit. So better because you chose a standard capacitor value first and then calculate the resistor value. Proportional frequency cut-off that you might choose, it will be you should put some resistors in parallel or in line so that you achieve as much value closer to the theoretical value. It is much easier and precise. In place of the trimmer TR1, 2-3 You can put a potentiometer. Consider the circuit below :

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