Boss Audio Systems GT-100 Stereo Amplifier User Manual


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EFFECT
15
AC. PROCESSOR
This processor allows you to change the sound produced by the pickup on
an acoustic electric guitar, creating a richer sound similar to that obtained
with a microphone placed close to the guitar.
Parameter Value Explanation
TYPE
Selects the modeling type.
SMALL
This is the sound of a small-bodied acoustic
guitar.
MEDIUM
This is a standard, unadorned acoustic guitar
sound.
BRIGHT This is a bright acoustic guitar sound.
POWER This is a powerful acoustic guitar sound.
BASS -50–+50 Adjusts the low-end balance.
MIDDLE -50–+50 Adjusts the midrange balance.
MIDDLE FREQ 20.0 Hz–10.0 kHz
Species the frequency range to be adjusted
with Middle.
TREBLE -50–+50 Adjusts the high-end balance.
PRES -50–+50
Adjusts the balance in the extended upper
range.
LEVEL 0–100 Adjusts the volume.
PHASER
By adding varied-phase portions to the direct sound, the phaser eect
gives a whooshing, swirling character to the sound.
Parameter Value Explanation
TYPE
Selects the number of stages that the phaser eect will use.
4 STAGE
This is a four-phase eect. A light phaser
eect is obtained.
8 STAGE
This is an eight-phase eect. It is a popular
phaser eect.
12 STAGE
This is a twelve-phase eect. A deep phase
eect is obtained.
BiPHASE
This is the phaser with two phase shift circuits
connected in series.
RATE
0–100,
BPM
–
This sets the rate of the phaser eect.
* When set to BPM, the value of each
parameter will be set according to the
value of the “MASTER BPM” specied for
each patch. This makes it easier to achieve
eect sound settings that match the tempo
of the song.
* If, due to the tempo, the time is longer than
the range of allowable settings, it is then
synchronized to a period either 1/2 or 1/4
of that time.
DEPTH 0–100 Determines the depth of the phaser eect.
RESO 0–100
Determines the amount of resonance (feed-
back). Increasing the value will emphasize
the eect, creating a more unusual sound.
MANUAL 0–100
Adjusts the center frequency of the phaser
eect.
Parameter Value Explanation
STEP RATE
OFF, 0–100,
BPM
–
This sets the cycle of the step function that
changes the rate and depth. When it is set
to a higher value, the change will be ner.
Set this to “O” when not using the Step
function.
* When set to BPM, the value of each
parameter will be set according to the
value of the “MASTER BPM” specied for
each patch. This makes it easier to achieve
eect sound settings that match the tempo
of the song.
* If, due to the tempo, the time is longer than
the range of allowable settings, it is then
synchronized to a period either 1/2 or 1/4
of that time.
EFFECT LEVEL 0–100 Adjusts the volume of the phaser.
DIRECT MIX 0–100 Adjusts the volume of the direct sound.
FLANGER
The anging eect gives a twisting, jet-airplane-like character to the
sound.
Parameter Value Explanation
RATE
0–100,
BPM
–
This sets the rate of the anging eect.
* When set to BPM, the value of each
parameter will be set according to the
value of the “MASTER BPM” specied for
each patch. This makes it easier to achieve
eect sound settings that match the tempo
of the song.
* If, due to the tempo, the time is longer than
the range of allowable settings, it is then
synchronized to a period either 1/2 or 1/4
of that time.
DEPTH 0–100 Determines the depth of the anging eect.
RESO 0–100
Determines the amount of resonance (feed-
back). Increasing the value will emphasize
the eect, creating a more unusual sound.
MANUAL 0–100
Adjusts the center frequency at which to
apply the eect.
SEPARATION 0–100
Adjusts the diusion. The diusion increases
as the value increases.
LOW CUT
FLAT,
55 Hz–800 Hz
This sets the frequency at which the low
cut lter begins to take eect. When “Flat” is
selected, the low cut lter will have no eect.
EFFECT LEVEL 0–100 Adjusts the volume of the anger.
DIRECT MIX 0–100 Adjusts the volume of the direct sound.
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