Onkyo TX-L50 Manuel D'instructions page 10

> Before Start > Part Names
Refer to the illustration to connect the speaker system.
Twist the wires of the speaker cable tightly before inserting
into the SPEAKERS terminals. Make correct connection
between the unit's jacks and speaker's jacks (i to i and j
to j) for each channel. If connection is wrong, a bass
sound may become poor due to reverse phase.
Either a powered subwoofer or passive subwoofer may be
connected. To connect a powered subwoofer, use a
subwoofer cable and connect to the SUBWOOFER PRE
OUT jack. To connect a passive subwoofer, connect to the
SPEAKERS terminals with speaker cables as shown below.
Make sure the exposed wires of the speakers do not stick
out of the speaker terminals when connecting. If the
exposed wires of the speakers touch the rear panel or the +
and – wires touch each other, the protection circuit will be
activated. ( P65)
> Install > Initial Setup
Setup
0 Settings for the speaker configuration you have
connected need to be made in "1. AccuEQ Room
Calibration" ( P15) in Initial Setup.
> Playback
Advanced Setup | Firmware Update | Others
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