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Chapter 4 Introduction to Effects and Parameters
In this chapter you will find detailed descriptions for each of
the GT-8's onboard effects, and the parameters used to
control them.
The sound being input to each effect is called the "direct
sound," and the sound modified by the effect is called
the "effect sound."
The trademarks listed in this document are trademarks
of their respective owners, which are separate companies
from BOSS. Those companies are not affiliated with
BOSS and have not licensed or authorized BOSS's GT-8.
Their marks are used solely to identify the equipment
whose sound is simulated by BOSS's GT-8.
26
PREAMP/SPEAKER (Preamp/
Speaker Simulator)
COSM technology plays an indispensable role in simulating
the distinguishing characteristics of various guitar amps in
the "Preamp" section, and is also used to simulate various
speaker sizes and cabinet constructions in the "Speaker
Simulator."
Parameter/
Explanation
Range
On/Off
Turns the PREAMP/SPEAKER effect on/
Off, On
off.
Channel Mode
Single, Dual Mono,
Selects how the two channels are to be used.
Dual L/R, Dynamic
Single
Only the channel selected with Channel Select is used.
fig.04-010
A
B
Dual Mono
The output of Channels A and B is mixed.
fig.04-020
A
B
Dual L/R
Channel A is output from the left and Channel B is output from the
right.
fig.04-030
A
L
B
R
Dynamic
Channels A and B are switched according to the guitar input volume
level. This produces dynamic tonal changes in response to the pick-
ing dynamics.
fig.04-040
A
B
Input Level
Channel Select
Selects the preamp channel whose settings
A, B
are to be changed.
Channel Delay Time
The output from Channel B is slightly de-
0–50ms
layed.
Adjusting this increases the sense.
* This parameter is enabled when Channel mode is set to Dual Mono or
Dual L/R.
Dynamic Sens
Effective with Dynamic selected for Chan-
nel Mode. Adjusting the sensitivity in re-
0–100
sponse to the input level changes the timing
of the channel switches.
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