Limiter; Sub Od/Ds; Graphic Eq; Parametric Eq - Boss Audio Systems GT-100 Parameter Manual

Cosm amp effects processor
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LIMITER

The limiter attenuates loud input levels to prevent distortion .
Parameter
Value
Selects the limiter type .
BOSS LIMITER
TYPE
RACK 160D
VTG RACK U
THRESH
0–100
RATIO
1:1–INF:1
LEVEL
0–100
ATTACK
0–100
RELEASE
0–100

SUB OD/DS

This effect distorts the sound to create long sustain .
Parameter
Value
Refer to "OD/DS TYPE" (p . 5)
TYPE
* "CUSTOM" is not available .
DRIVE
0–120
TONE
-50–+50
EFFECT LEVEL 0–100
BOTTOM
-50–+50
DIRECT MIX
0–100
SOLO SW
OFF, ON
SOLO LEVEL
0–100

GRAPHIC EQ

This adjusts the tone as a equalizer . You can adjust the sound quality in ten bands .
Parameter
Value
31 Hz
62 Hz
125 Hz
250 Hz
500 Hz
-20–+20 dB
1 kHz
2 kHz
4 kHz
8 kHz
16 kHz
LEVEL
-20–+20 dB
Explanation
This selects a stereo limiter .
This models a dbx 160X .
This models a UREI 1178 .
Adjust this as appropriate for the input
signal from your guitar . When the input
signal level exceeds this threshold level,
limiting will be applied .
This selects the compression ratio used with
signals in excess of the threshold level .
Adjusts the volume .
Adjusts the strength of the picking attack
when the strings are played . Higher values
result in s sharper attack, creating a more
clearly defined sound .
Adjusts the release time .
Explanation
Adjusts the depth of distortion .
Adjusts the tone .
Adjusts the volume of the OD/DS sound .
Adjusts the tone for the low frequency range .
Turning this to the left (counterclockwise)
produces a sound with the low end cut;
turning it to the right boosts the low end in
the sound .
Adjusts the volume of the direct sound .
The tone to one suitable for solos .
Adjusts the volume level when the Solo Sw
is ON .

PARAMETRIC EQ

Adjusts the tonal quality . You can adjust the sound quality in four bands .
Parameter
Value
LOW GAIN
-20–+20 dB
HIGH GAIN
-20–+20 dB
LEVEL
-20–+20 dB
LOW-MID
20 Hz–10 .0 kHz
FREQ
LOW-MID Q
0 .5–16
LOW-MID
-20–+20 dB
GAIN
HIGH-MID
20 Hz–10 .0 kHz
FREQ
HIGH-MID Q
0 .5–16
HIGH-MID
-20–+20 dB
GAIN
LOW CUT
FLAT, 20 Hz–800 Hz
630 Hz–12 .5 kHz,
HIGH CUT
FLAT

TONE MODIFY

This changes the tone of the connected guitar .
Parameter
Value
Selects the type of tone modification .
FAT
PRES (PRESENCE)
MILD
TYPE
TIGHT
ENHANC (ENHANCE) Tone with the high frequencies boosted .
RESO 1–3
(RESONATOR 1–3)
LOW
-50–+50
HIGH
-50–+50
LEVEL
0–100
RESO
0–100
EFFECT
Explanation
Adjusts the low frequency range tone .
Adjusts the high frequency range tone .
Adjusts the overall volume level of the
equalizer .
Specifies the center of the frequency range
that will be adjusted by the LOW-MID GAIN .
Adjusts the width of the area affected by the
EQ centered at the LOW-MID FREQ . Higher
values will narrow the area .
Adjusts the low-middle frequency range
tone .
Specifies the center of the frequency range
that will be adjusted by the HIGH-MID GAIN .
Adjusts the width of the area affected by the
EQ centered at the HIGH-MID FREQ . Higher
values will narrow the area .
Adjusts the low-middle frequency range
tone .
This sets the frequency at which the low
cut filter begins to take effect . When FLAT is
selected, the low cut filter will have no effect .
This sets the frequency at which the high
cut filter begins to take effect . When FLAT
is selected, the high cut filter will have no
effect .
Explanation
Fat tone with boosted mid range .
Bright tone with boosted high-mid range .
Mild tone with the high end cut back .
Tone with the low frequencies cut .
This produces a tone with greater power
and punch by adding resonance in the
low-frequency range and midrange .
Adjusts the tone for the low frequency
range .
Adjusts the tone for the High frequency
range .
Adjusts the volume of the effect sound .
This adjusts the strength of the low-end and
midrange resonance when TYPE is set to
RESO 1, 2, or 3 .
11

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