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Studiophile BX10s Deluxe Subwoofer
3. Variable Crossover
You can use SBX10 in a variety of monitoring contexts, from 2-channel to multichannel (e.g., 5.1, 7.1)
systems, and as an accompaniment to practically any direct-field monitors. To this end, we have pro-
vided a versatile yet efficient way to tailor the response of the subwoofer to work well in any typical
monitoring system. For use in a 2-channel system, there is an in-line low-pass filter control that allows
you to adjust the crossover frequency. You can set it anywhere from 50Hz to 200Hz. It splits the sig-
nal by routing everything below that frequency to the subwoofer and everything above it to your main
monitors. And by using a 4th-order Linkwitz-Riley topology, the circuit enables you to achieve the flat-
test net response through the crossover point. For multichannel systems, the SBX10 subwoofer can
reproduce just the output of the LFE (low-frequency effects) channel, or it can reproduce the bass
from some or all of the main channels using conventional multichannel bass management schemes. In
this multichannel context, you can simply "open up" the SBX10 subwoofer fully by setting it to 200Hz
(for use with external bass managers), or you can set it to 120Hz (to comply with the Dolby Digital
standard for the LFE band limit).
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