RS20iInstallationandOperatingGuide
Page 84
RS20i Installation & Operating Guide Document # 9301H52900 Ver. 1.02
The speakers that are selectable for bass management crossover options depends on the speaker
configuration.
4.7.3.2 Single Subwoofer
A bass management configuration with a single subwoofer will mix the low frequency of all crossover
channels with the subwoofer. You can select which speakers to cross by assigning them to be “small”
speakers in the bass management configuration setup screens.
4.7.3.3 Multiple Subwoofers
When there is more than one subwoofer channel assigned using bass management the LFE channel is
evenly mixed between all of the subwoofer channels. The LFE input for the subwoofers is attenuated to
compensate for having more than one subwoofer. The summed output level can be adjusted for each
subwoofer on the Audio Levels screen
The subwoofers may be configured as either “Mono” or with specific positioning. The Mono subwoofer
configuration sets each subwoofer with the same audio mix of the LFE channel with all other channels
that are crossed with the subwoofer. There are other subwoofer configurations that identify left/right and
front/back positions assigned to each subwoofer.
When left/right subwoofers are used, the speakers on the left will be crossed with the left positioned
subwoofer while speakers on the right are crossed with the right positioned subwoofer. The Center, High
Center and Top speakers would always be crossed evenly between both sides.
When using Front/Back subwoofers, the front speakers are crossed with front subwoofer while surrounds
are crossed with back subwoofer (Sw2). The Top channel is crossed evenly between both Front and
Back subwoofers.
An option for three subwoofers is available which has two front subwoofers (left and right), and the third
subwoofer in the back. Finally, a 4-subwoofer configuration has left front and right front subwoofers, and
left back and right back subwoofers.
4.7.3.4 Subwoofer Audio Processing
Each subwoofer channel from the bass management output can be adjusted downstream the same as
other channels. The downstream processing includes Dirac filters, 1/3 octave EQ, Parametric EQ, output
channel routing, and high pass /low pass filtering.
4.7.3.5 No Subwoofers
When no subwoofer is installed, the LFE can be mixed with the Left/Right and/or Left Surround/Right
Surround speakers by having those speakers selected as “Large” in the Speaker Options screen.
Figure 53 illustrates the LFE input being mixed with the left channel.
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