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COSM AMP Chapter 9 Parameters Guide
Chapter 9
CUSTOM
*1
The BRIGHT parameter setting is only partially available with
some JC CLEAN, CRUNCH, or BASS AMP settings in PREAMP
TYPE.
Parameter/
Range Explanation
CUSTOM TYPE
Selects the basic type of preamp.
JC CLEAN This is the sound of the Roland JC-120.
TW CLEAN This models a Fender Twin Reverb.
CRUNCH This is a crunch sound that can produce nat-
ural distortion.
VO DRIVE This models the drive sound of a VOX AC-
30TB.
BG LEAD This models the lead sound of the MESA/
Boogie combo amp.
MS HI-GAIN This models the sound of a Marshall with a
modified midrange boost.
MODERN STACK Models the sound of the Channel 2 MOD-
ERN Mode on the MESA/Boogie DUAL
Rectifier.
BOTTOM
-50–+50 This controls the input sound’s low-fre-
quency range and adjusts the amount of dis-
tortion in the low-frequency range.
EDGE
-50–+50 This controls the input sound’s high-fre-
quency range and adjusts the amount of dis-
tortion in the high-frequency range.
BASS FREQ (Bass Frequency)
-50–+50 Adjusts the frequency affected by the BASS
knob.
TREBLE FREQ (Treble Frequency)
-50–+50 Adjusts the frequency affected by the TRE-
BLE knob.
LOW
-50–+50 Adjusts the preamp section’s low-frequency
tone.
HIGH
-50–+50 Adjusts the preamp section’s high-frequen-
cy tone.
GAIN
0–120 Adjusts the distortion of the amp.
BASS
0–100 Adjusts the tone for the low frequency
range.
MIDDLE
0–100 Adjusts the tone for the middle frequency
range.
TREBLE
0–100 Adjusts the tone for the high frequency
range.
PRESENCE
0–100 Adjusts the tone for the ultra high frequency
range.
Parameter/
Range Explanation
LEVEL
0–100 Adjusts the volume of the entire preamp.
* Be careful not to raise the Level setting too
high.
BRIGHT
Turns the bright setting on/off. *1
OFF Bright is not used.
ON Bright is switched on to create a lighter and
crisper tone.
GAIN SW
LOW, MIDDLE, HIGH Provides for selection from three levels of
distortion: LOW, MIDDLE, and HIGH. Dis-
tortion will successively increase for set-
tings of LOW, MIDDLE and HIGH.
* The sound of each Type is created on the basis
that the Gain is set to MIDDLE. So,
normally set it to MIDDLE.
SOLO SW
OFF, ON Pressing [SOLO] switches the tone to one
suitable for solos.
SOLO LEVEL
0–100 Adjusts the volume level when the Solo
switch is ON.
SP TYPE (Speaker Type)
Select the speaker type.
OFF This turns off the speaker simulator.
ORIGNL This is the built-in speaker of the amp you
selected with PREAMP TYPE.
1x8” This is a compact open-back speaker cabinet
with one 8-inch speaker.
1x10” This is a compact open-back speaker cabinet
with one 10-inch speaker.
1X12” This is a compact open-back speaker cabinet
with one 12-inch speaker.
2X12” This is a general open-back speaker cabinet
with two 12-inch speakers.
4X10” This is an optimal speaker cabinet for a large
enclosed amp with four 10-inch speakers.
4X12” This is an optimal speaker cabinet for a large
enclosed amp with four 12-inch speakers.
8X12” This is a double stack of two cabinets, each
with four 12-inch speakers.
CUSTOM Custom speaker
DIRECT LEVEL
0–100 Adjusts the volume of the direct sound.
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