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Adjusting the Crossover Control
When using the Line Level inputs (not the LFE input) the subwoofer's built-in crossover is engaged. As a starting point, set the
crossover control on the subwoofer about 10Hz higher than the lower limit of your main speakers' bass response. Fine-tune
the crossover setting by ear for the smoothest blend with your main speakers. The best setting of the crossover control will
depend on speaker placement and personal preference.
Speaker level
Use these high-level terminals with receivers that do not have subwoofer output. The speaker inputs accept both left and right
channel speaker signals from your receiver. When using a home theater receiver, set the speaker type to "Large. " The large
setting will produce a fuller sound.
AUDIO ON
Note
Certain receivers use speaker grounding circuits that may be incompatible with external powered audio products, such as
powered subwoofers. When speaker wire is used instead of line level cables, this incompatibility can result in an audible hum
when the receiver is turned off or switched to a different speaker channel.
If this should happen with your Boston
Acoustics subwoofer, you will need
to make a ground cable and connect it
to either RCA line input on the subwoofer
and any unused RCA line input or output
on your receiver (see diagram). The proper
ground cable for this application should
consist of two male RCA plugs that have
their negative outside terminals (or "sleeve")
connected to each other by any length of
single conductor copper cable. The inside
positive (or "pin") terminals should not be
wired in either plug.
6
RPS 1000
or
use either RCA jack
back of subwoofer
single conductor (-) RCA to (-) RCA ground cable
DIGITAL
6 CH INPUT
AUDIO
INPUT
MAIN
R
L
CD
SURROUND
V-AUX
COAXIAL
CENTER
SUB
OPTICAL
WOOFER
D-TV/CBL
IN
VCR
DVD
OUT
CD
D-TV
IN
MD/CD-R
/CBL
(PLAY)
MD
/CD-R
OUT
(REC)
DVD
R
L
MD/CD-R
OPTICAL
DIGITAL
OUTPUT
AUDIO
back of receiver
VIDEO
S VIDEO
VIDEO
TUNER
AM
ANT
COMPONENT VIDEO
GND
P
/C
Y
P
/C
B
B
R
R
DVD
UNBAL.
75
D-TV
/CBL
FM
ANT
MONITOR
OUT
S VIDEO
VIDEO
MONITOR OUT
use any available RCA jack
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