1. Some speakers use a crossover network to limit the signal that reaches the voice coils of the speaker.

2. Being based on the theory of band-pass crossover network, this paper brings for-ward the design and analysis of two usually confusable crossover network which are in common use.

3. The crossover network, the speaker's electrical circuit, is designed in a new way.

4. This amplifier and crossover network drive the subwoofer mentioned above.

5. The passive crossover network features a thermal protection system on the HF section providing audibly transparent protection for the compression driver.

6. Nearly all serious loudspeaker designs have incorporated a crossover network.

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7. Based on the phase response of the crossover network, the Bessel all-pass filters to approximate filters with linear-phase is used.

8. Such a sophisticated crossover network, with so many functions, is possible as most components in the traditional big crossover networks are not especially efficient.

9. Optionally, the input signals can be equalized to flatten the magnitude responses of the crossover network.

10. The polarity in which the first loudspeaker is coupled to the first-order crossover network is an inverse of the polarity in which the second loudspeaker is coupled to the crossover network.