Q. Where do I set the crossover control on my subwoofer’s back panel?
A. If you are using a Dolby Digital/dts A/V surround receiver with its own Subwoofer Output jack, and a single coaxial cable to your sub, then the subwoofer’s internal crossover becomes unnecessary and you should turn the control to its highest setting (150 Hz) to effectively remove it from the circuit. Some brands of subwoofers may have a “Bypass” switch, which does the same thing. By doing this, you are avoiding “cascading crossovers,” or using two crossovers in a row, which may cause losses or gaps in the bass response. The A/V receiver performs all the “bass management” and routes the appropriate frequencies to your subwoofer from the Sub Output jack, so the sub crossover becomes redundant.
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