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■ Connecting to an external amplifier
If you want to increase the power output to the speakers,
or want to use another amplifier, connect an external
amplifier to the PRE OUT jacks as follows.
•When audio pin plugs are connected to the PRE OUT jacks for
output to an external amplifier, do not make connections to the
corresponding SPEAKERS terminals. Set the volume of the
amplifier connected to this unit to the maximum.
•The signals output through the FRONT PRE OUT and
CENTER PRE OUT jacks are affected by the TONE
•If SPEAKERS A is turned off and SP B is set to ZONE B (see
page 65), signals will only be output from the FRONT PRE
1 FRONT PRE OUT jacks
Front channel line output jacks.
2 SURROUND PRE OUT jacks
Surround channel line output jacks.
3 CENTER PRE OUT jack
Center channel line output jack.
4 SURROUND BACK PRE OUT jacks
Surround back or presence channel line output jacks.
5 SUBWOOFER PRE OUT jack
Connect a subwoofer with built-in amplifier, such as the
YAMAHA Active Servo Processing Subwoofer System,
to this jack.
•Each PRE OUT jack outputs the same channel signals as the
corresponding speaker terminals.
•Adjust the volume level of the subwoofer with the control on
the subwoofer. It is also possible to adjust the volume level
using the remote control (see “Manually adjusting speaker
levels” on page 53).
•Some signals may not be output from the SUBWOOFER PRE
OUT jack depending on the SPEAKER SET (see page 57) and
LFE/BASS OUT (see page 58) settings.