Boss Audio Systems GT-6B User Manual

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Chapter 4 The Effects Explained
Treble
Adjusts the tone of the upper range.
Middle
Adjusts the tone of the midrange.
* While some amps do not feature a middle control, this control 
still functions even when simulating such amps. If you want 
to recreate the sound as output by the original amp, set Middle 
to “0.”
Middle Freq (Middle Frequency)
This control adjusts the center frequency of the frequency 
range adjusted with the Middle control.
* You cannot set this parameter when TYPE is set to “BASS 
360” (it is not displayed).
Bass
Adjusts the tone of the lower range.
Level
Adjusts the volume level for the overall preamp.
In addition to these general controls, also included are the 
following controls particular to each amp.
 When Type is Set to FLIP TOP
Bright Off, On
Turns the bright setting on/off. Turn this on to make the 
sound brighter.
Response BASS, FLAT
This controls the overall amp characteristics. Select the 
position corresponding to the characteristics for one of the 
two types of sound.
 When Type is Set to B MAN
Deep Off, On
This switch changes the character of the lower range.
 When Type is Set to BASS 360
Bright Off, On
Turns the bright setting on/off. Turn this on to make the 
sound brighter.
 When Type is Set to T.E.
Pre Shape Off,1, 2
This is a shape switch that adds a particular nuance to the 
midrange.
 When Type is Set to SESSION
Enhancer 0–100
This controls the clarity and presence of the sound.
 When Type is Set to CONCERT 810
Bright Off, On
Turns the bright setting on/off. Turn this on to make the 
sound brighter.
Ultra Hi Off, On
This controls the ultra high-frequency range lying beyond treble.
Ultra Lo –, 0, +
This controls the character of the lower range.
 Speaker
Parameter
Value
On/Off
Off, On
Type
1x15”, 1x18”, 2x15”, 4x10”, 8x10, 
ORIGINAL
Mic Setting 
Center, 1 cm–10 cm
Mic Level   
0–100
Direct Level
0–100
On/Off (Effect On/Off)
Sets the speaker effect to ON or OFF.
* The PREAMP turns on automatically when the SPEAKER is 
turned on. Additionally, turning off the SPEAKER 
automatically turns off the PREAMP.
TYPE
This selects the speaker type.
(*) The following speaker connections are assumed: 810E (8 x 
10”) for the “CONCERT 810”; Goliath (4 x 10”) + Big Ben (1 x 
18”) for the “SESSION”; and 1048 (4 x 10”) + 1518 (1 x 15”) 
for the “T.E.”
Mic Set. (Mic Setting)
This simulates the microphone position. “Center” simulates 
the conditions when the microphone is pointed at the middle 
of the speaker cone. “1–10 cm” indicates the distance 
separating the microphone from the center of the speaker 
cone.
Mic Level
Adjusts the volume of the microphone
1x15”
Models the Trace Elliot 1518.
1x18”
Models the SWR Big Ben.
2x15”
Models the Acoustic 402.
4x10”
Models the SWR Goliath.
8x10”
Models the Ampeg 810E.
ORIGINAL
Built-in speaker for the amp selected in 
“Type.” (*)