2 Way Crossover Active Circuit

This circuit is 2way crossover active, 18dB / octave unit, and has the crossover frequency centred on 300Hz. This circuit can be operated from the same power supply as the Audio Preamp, featured elsewhere on these pages. Other dual opamps may also be used, depending on your preference.Make sure that the power amplifier volume controls (if fitted) are turned fully up, and try to set the crossover controls so somewhere between midway and 75%. Here is a schematic drawing :

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