AVS Forum Special Member
Join Date: May 2011
Location: Ft. Collins, CO
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Bass management is important if you're not using full-range speakers (and most people aren't these days). Full range is considered to be 20 Hz-20 kHz. If you're using book shelf speakers with a frequency range of say 50 or 60 Hz it makes sense to employ a crossover so that only frequencies of 80 Hz or so are sent to them and the lower frequencies 80 Hz and below are sent to the subwoofer (if you're using one). This prevents the amplifier from having to work too hard and the sound from your speakers will be cleaner as you are not asking them to play low frequencies they are not capable of handling cleanly or at all. You can do this most easily with a receiver that has built-in crossover capability such as the RR2150 or in the digital domain with something like Audyssey installed on many current AVRs. A technically savvy user could also wire in a crossover between the speakers and the amplifier.
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