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Amplifier Operations
surround back speakers are also
automatically set to “SMALL” (unless
previously set to “NO”).
x CENTER SP (Center speaker)
•LARGE
If you connect a large speaker that will
effectively reproduce bass frequencies,
select “LARGE.” Normally, select
“LARGE.” However, if the front speakers
are set to “SMALL,” you cannot set the
center speaker to “LARGE.”
•SMALL
If the sound is distorted, or you feel a lack of
surround effects when using multi-channel
surround sound, select “SMALL” to activate
the bass redirection circuitry and output the
center channel bass frequencies from the
front speakers (if set to “LARGE”) or sub
woofer.
•NO
If you have not connected a center speaker,
select “NO,” the sound of the center channel
will be output from the front speakers.
•MIX
If you have not connected a center speaker,
select “MIX.” The sound of the center
channel will be output without affecting
sound quality. You can assign the sound for
the center speaker output to the front speaker
output by changing the setting of
“CENTER” in Level Settings menu.
x SURROUND SP
(Surround speaker)
The surround back speakers will be set to the
same setting.
•LARGE
If you connect large speakers that will
effectively reproduce bass frequencies,
select “LARGE.” Normally, select
“LARGE.” However, if the front speakers
are set to “SMALL,” you cannot set the
surround speakers to “LARGE.”
•SMALL
If the sound is distorted, or you feel a lack of
surround effects when using multi-channel
surround sound, select “SMALL” to activate
the bass redirection circuitry and output the
surround channel bass frequencies from the
sub woofer or other “LARGE” speakers.
•NO
If you have not connected surround
speakers, select “NO.”
x SUR BACK SP
(Surround back speakers)
When the surround speakers are set to “NO,”
the surround back speakers are also
automatically set to “NO” and the setting
cannot be changed.
•DUAL
If you connect two surround back speakers,
select “DUAL.” The sound will be output to
a maximum of 7.1 channels.
• SINGLE
If you connect only one surround back
speaker, select “SINGLE.” The sound will
be output to a maximum of 6.1 channels.
•NO
If you have not connected surround back
speakers, select “NO.”
• ZONE 2
If you use the surround back speaker in zone
2, select “ZONE 2.” When you select
“ZONE 2,” the input to the SURROUND
BACK jacks of the MULTI CHANNEL
INPUT is invalid (page 22).
• BI-AMP
If you connect front speakers in a bi-
amplifier configuration, select “BI-AMP”
(page 101).
Tip
The “LARGE” and “SMALL” settings for each
speaker determine whether the internal sound
processor will cut the bass signal from that channel.
When the bass is cut from a channel, the bass
redirection circuitry sends the corresponding bass
frequencies to the sub woofer or other “LARGE”
speakers.
However, since bass sound has a certain amount of
directionality, it is best not to cut them, if possible.
Therefore, even when using small speakers, you can
set them to “LARGE” if you want to output the bass
frequencies from that speaker. On the other hand, if
you are using a large speaker, but prefer not to have
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