Roland Acoustic Chorus AC-33 - Manual (Page 7)

7
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Applying an eff ect
Chorus
1. Set each channel’s [CHORUS] switch to the WIDE or SPACE
position.
WIDE
This is a stereo chorus that processes the three bands
independently.
By applying band-appropriate chorusing to each of the low,
mid, and high-frequency bands, this eff ect creates a deep and
spacious chorusing that is appropriate for the sound of an
acoustic guitar.
The low range remains fi rmly localized in the center, and the
sound will become more spacious as you go from the mid to the
high range.
SPACE
This is a chorus that mixes the sounds in the air, a method that
is possible only with a stereo system. On the AC-33, the eff ect
sound is emitted by the right speaker (as you face the unit), and
the direct sound is emitted by the left speaker. The chorus eff ect
is produced as the sound from the left and right speakers is
mixed in the air.
Compared to an electrically mixed chorus eff ect, this eff ect
has a broader left/right spread and a more natural-sounding
spaciousness.
OFF No chorus eff ect will be applied.
Turn the switch off if you don’t want to apply chorus.
Reverb/Ambience
1. Use the [REVERB/AMBIENCE] knob to adjust the amount of
eff ect.
REVERB
This is a stereo reverb that was developed specifi cally for
acoustic instruments and produces a spacious and natural
sound. The position of the knob adjusts the volume of the
reverb.
AMBIENCE
This eff ect adds spatial depth. It produces a broader sound
fi eld and a sense of presence.
The position of the knob adjusts the volume and depth of the
ambience.
REVERB AMBIENCE
The left half of the knob’s range applies reverb, and the right half
applies ambience.
Turning the knob toward the right will deepen the eff ect.
If you want to turn reverb/ambience off , turn the knob all the way to
the left.
About foot switches
If you use a foot switch (BOSS FS-5U or FS-6; sold separately) you’ll be able to turn chorus on/off and reverb/ambience on/off with your foot.
If a foot switch is connected, the pedal(s) will operate as follows.
Refer to p. 9 for details on the foot switch’s polarity setting.
If you use a phone plug (mono) cable to connect only one foot switch,
it will only turn chorus on/off .
Chorus on/off operations apply in common to the GUITAR CHANNEL
and the MIC/LINE CHANNEL.
If the CHORUS switch is off , operating the foot switch will not turn the
eff ect on/off .
PCS-31
White
(TIP)
Red
(RING)
BOSS FS-5U
CHORUS
on/off
CHORUS
on/off
REVERB/AMBIENCE
on/off
REVERB/AMBIENCE
on/off
PCS-33
BOSS FS-6