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Chapter 8 Parameters Guide
COSM technology simulates different preamp characteristics,
speaker sizes, and cabinet shapes.
You can make separate settings for Channel A and Channel B.
Type=SUPER FLAT, AC BASS
Type=FLIP TOP
Type=B MAN
PREAMP
Parameter/
Range
Explanation
PREAMP ON/OFF
Off, On
Turns the COSM AMP effect on/off.
Pressing [PREAMP] switches On and Off.
Gain
0–100
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.
Level
0–100
Adjusts the volume of the entire preamp.
* Be careful not to raise the Level setting too
high.
MONO
Preamp Settings
Parameter/
Range
Explanation
Type
This sets the type of the bass preamp.
SUPER FLAT An amp with flat response.
FLIP TOP Models the Ampeg B-15.
B MAN Models the Fender Bassman 100.
CONCERT 810 Models the Ampeg SVT.
BASS 360 Models the acoustic 360.
T.E. Models the Trace Elliot AH600SMX.
SESSION Models the SWR SM-400.
AC BASS An amp ideal for ACOUSTIC BASS.
GTR Clean This is a clean sound that is smooth and warm.
GTR Crunch
This is a crunch sound that can faithfully repro-
duce the nuances of picking.
GTR Drive
This is a drive sound producing awesome dis-
tortion.
GTR Metal This is a metal sound suited to heavy riffs.
Parameter/
Range
Explanation
Presence
0–100
Adjusts the tone for the ultra high frequency
range.
Parameter/
Range
Explanation
Mid Freq (Middle Frequency)
220Hz, 800Hz,
3.0kHz
Specifies the center of the frequency range that
will be adjusted by the Mid Freq.
Bright
Turns the bright setting on/off.
Off Bright is not used.
On
Bright is switched on to create a lighter and
crisper tone.
Response
BASS, FLAT
This controls the overall amp characteristics.
Select the position corresponding to the charac-
teristics for one of the two types of sound.
Parameter/
Range
Explanation
Mid Freq (Middle Frequency)
220Hz, 800Hz,
3.0kHz
Specifies the center of the frequency range that
will be adjusted by the Mid Freq.
Deep
Off, On
This switch changes the character of the lower
range.
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