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An interconnection example for digital signals is shown below. Note that the subwoofer-to-loudspeaker
interconnections are analog so digital inputs are not required on the main loudspeakers.
7.1 High Definition
Bass Manager
Σ
A
Left /
Right
B
A
Center /
LFE
B
A
Left Surround /
Right Surround
B
A
Left Back /
Right Back
B
Digital connections to the 7.1 High Definition Bass Manager™
Digital connections to the 7.1 High Definition Bass Manager™
Digital connections to the 7.1 High Definition Bass Manager™
Digital connections to the 7.1 High Definition Bass Manager™
To increase the number of subwoofers in a system to make a Plane Wave Bass Array™, the subwoofers should be
set up as shown below. Analog or digital input cards can be used. The subwoofers should be calibrated for their
in-room response (see Acoustical Controls and Calibration section). The LFE channel should be connected to the
first subwoofer only so that the reproduction level (at 0 or +10 dB) is consistent with the main channels.
Internal Subwoofer Signal or
Driver Cable (DC nn) when Remote
Electronics Kit (REK 2) is used
7.1 High Definition
Bass Manager
Σ
Right
Center
Left
Left Surround
Left Back
Right Back
Right Surround
LFE
Connecting multiple subwoofers to make a Plane Wave Bass Array™
Connecting multiple subwoofers to make a Plane Wave Bass Array™
Connecting multiple subwoofers to make a Plane Wave Bass Array™
Connecting multiple subwoofers to make a Plane Wave Bass Array™
A 4-way column loudspeaker installation is possible for large systems, for example O 410 and O 870. Hardware is
available for the main loudspeaker to be mounted on top of the subwoofer with a tilting function. The
subwoofers should be calibrated so that they smoothly extend the bass response of their respective main
loudspeaker (see Acoustical Controls and Calibration section). The LFE channel should be connected to all of the
O 810 / O 870 Operating Manual
All manuals and user guides at all-guides.com
Internal Subwoofer Signal or
Driver Cable (DC nn) when Remote
Electronics Kit (REK 2) is used
Sum Output
Optional additional subwoofers
Right
Left
Center
Left Surround
Right Surround
Left Back
Right Back
LFE Mode =
LFE → SUB + L/R (>80) or
LFE → SUB ONLY (<80) or
LFE → SUB ONLY (<120) or
LFE → SUB ONLY (WIDE)
Sum Output
Right
Center
Left
Left Surround
Left Back
Right Back
Right Surround
Page 17 of 96
LFE Mode = LFE → SUB ONLY (WIDE)
Sum
Sum
Sum
Sum
Input
Output
Input
Output
Klein + Hummel
Sum
Sum
Input
Output
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