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EQUALIZER

8. [BASS] Knob

Adjusts the tone quality of the lower range.

9. [MIDDLE] Knob

Adjusts the tone quality of the midrange.

10. [TREBLE] Knob

Adjusts the tone quality of the upper range.
EFX/SOLO (Eects/Solo)

11. [EFX/SOLO] (Eects/Solo) Knob

Turn this knob to CHORUS, FLANGER, PHASER,
TREMOLO, or HEAVY OCTAVE to select the
corresponding eect, or to SOLO. Turn the knob to
adjust the amount of eect applied.
The ON indicator lights up when EFX is turned on,
and goes out when EFX is turned o. You can also
turn EFX on and o using optional foot switches
Graduations for CHORUS, FLANGER, PHASER,
TREMOLO, SOLO, HEAVY OCTAVE on a panel are
for reference. Be sure to check the sound as you
adjust the eects.
Type Description
CHORUS
In this eect, a slightly detuned sound is
added to the original sound, giving the
sound greater breadth and fullness.
FLANGER This creates a anging eect that creates a
sort of spinning sensation with the sound.
PHASER
This eect adds a variable phaseshifted
signal to the direct sound, giving the sound
a swirling character.
TREMOLO Tremolo is an eect that creates a cyclic
change in volume.
SOLO
This applies a boost eect to the original
sound. By using a foot switch to turn SOLO
on/o individually for the JC CLEAN and
LEAD channels, you can vary the volume
and distortion of your sound.
HEAVY OCTAVE
This adds sound lowered by an octave
to the original sound. Since you can play
chords even when using this eect, you can
use it to fatten the sound of your chordal
playing as well.
DELAY/REVERB

12. [DELAY/REVERB] Knob

Turn this knob to DELAY or REVERB to switch to that
eect. Turn the knob to adjust the amount of eect
applied. Set the knob to the SPRING position to enjoy
the sound of a spring reverb unit.
*Graduations for DELAY, REVERB on a panel are for
reference.
Type Description
DELAY Turn the knob to change the time and
amount of delay eects.
REVERB Turn the knob to adjust the reverb level.

13. [POWER SQUEEZER] Switch

The switch lights in red when the power squeezer
function is on; the switch is unlit when the power
squeezer is o.
Switching on the Power Squeezer function allows you to
reduce the amp’s output to 2 watts.
Switching this on allows you to produce a sound that
preserves the same tone and balance at an output of 2
watts, for volume levels that are more suitable for the
average home.
*The Power Squeezer function aects only sounds input through the
INPUT jack. It has no eect on sounds input via the AUX IN jack.

14. AUX IN Jack

You can connect a CD player, digital audio player or other kind of
device and have it play along with your guitar.
This accepts a stereo miniature phone plug. However, the speaker
and RECORDING OUT/PHONES output is monaural. Use a cable (sold
separately) that’s appropriate for the device you’re connecting.
*Determine the volume level by adjusting the volume control of the
connected device.
*When connection cables with resistors are used, the volume level
of equipment connected to the AUX IN jack may be low. If this
happens, use connection cables that do not contain resistors.

15. FOOT SW (Foot switch) Jack

You can use foot switches (optional BOSS FS-5U or FS-6) to switch
channels (JC CLEAN/LEAD), and to turn EFX/SOLO on and o.
*CUBE-20XL is equipped with a TRS-type FOOT SW jack that accepts
plugs of the conguration shown in the gure. To connect afoot
switch pedal, use a TRS-compatible cable.

TIP : SELECT

RING : EFX/SOLO

*For details on connecting foot switches, refer to “Connections” (p. 6).
*If you use a monaural cable to connect only one foot switch, it can
be used to switch channels (JC CLEAN/LEAD).

16. RECORDING OUT/PHONES Jack

• When Using RECORDING OUT
Use mono 1/4” phone plugs when connecting to this jack.
Volume level of RECORDING OUT can be easily adjusted if
you set the JC CLEAN or LEAD Channel [VOLUME] knob as
shown in the diagram on the right.
• When Using Headphones
Connect headphones to this jack.
*No sound is played through the unit’s speaker while the RECORDING
OUT/PHONES jack is in use.

17. [POWER] Switch

This switches the power on and o.