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6
INSTALLATION
Connections (continued)
Line-level input
This input is for use when the receiver’s or processor’s
LFE or subwoofer output is turned off, or when the
receiver has no LFE or subwoofer output.
Connect a stereo RCA patch cable between the SUB85’s
line-level input jacks and the front left- and right-
channel line outputs on the receiver or processor.
Note: When the LFE or line-level input is connected
to an audio system powered by a different electri cal
circuit from the one used to power the SUB85, a
ground loop may result. This causes a low-frequency
hum. To eliminate the hum, connect the SUB85 to
the same electrical circuit as the audio system or use
a ground loop isolator in series with the RCA cable.
Connection using stereo line-level input
Speaker Outputs
Line Level Output
Left Right
Left Right
LFE Output
Stereo RCA
patch cable
Receiver
SUB85