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Consumer Electronics by S. P. Bali

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CROSSOVER NETWORKS

In multispeaker systems, in which specialised speakers are used for different frequency hands, it is necessary and desirable to segregate different bands of frequencies into the respective speakers designed to handle them. This segregation of the various bands of acoustic energy ensures optimum utilisation of audio power resulting in better overall performance of the system.

The simplest type of network consists merely of a single capacitor, as illustrated in Fig. 4.36 (a). The fact that the reactance of a capacitor is inversely proportional to frequency is employed to distribute the audio signal. The tweeter and woofer voice coils are connected in series and a capacitor is connected across the woofer. The value of capacitance ...

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