Roland VG-99 Manuale Utente

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Chapter 9 Parameters Guide                                                                        COSM AMP
 
COSM technology simulates different preamp characteristics, 
speaker sizes, and cabinet shapes.
 
*
You can make separate settings for Channel A and Channel B.
 
Preamp Type List
COSM AMP
 
Parameter/
Range
Explanation
 
COSM AMP SW (COSM AMP Switch)
 
OFF, ON
Turns the COSM AMP effect on/off.
 
PREAMP TYPE
 
refer to Preamp Type 
List
This sets the type of the guitar preamp.
 
Type
Explanation
 
 
JC-120
This is the sound of the Roland JC-120.
WARM CLEAN
This gives a mellow, clean sound.
JAZZ COMBO
This is a sound suited to jazz.
FULL RANGE
This is a sound with flat response. Good for 
acoustic guitar
BRIGHT CLEAN
A bright, clean tone.
 
 
CLEAN TWIN
This models a Fender Twin Reverb.
PRO CRUNCH
This models a Fender Pro Reverb.
TWEED
This models a Fender Bassman 4 x 10” Com-
bo.
WARM CRUNCH
This gives a mellow, crunch sound.
 
 
CRUNCH
This is a crunch sound that can produce nat-
ural distortion.
BLUES
This is a sound suited to blues.
WILD CRUNCH
This is a crunch sound with wild distortion.
STACK CRUNCH
This is a crunch sound with high gain.
 
 
VO DRIVE
This models the drive sound of a VOX AC-
30TB.
VO LEAD
This models the lead sound of the VOX AC-
30TB.
VO CLEAN
This models the clean sound of the VOX 
AC-30TB.
MATCH DRIVE
This models the sound input to left input on 
a Matchless D/C-30.
FAT  MATCH
This models the sound of a Matchless with a 
modified high gain.
MATCH LEAD
This models the sound input to right input 
on a Matchless D/C-30.
 
Type
Explanation
 
 
BG LEAD
This models the lead sound of the MESA/
Boogie combo amp.
BG DRIVE
This models a MESA/Boogie with TREBLE 
SHIFT SW on.
BG RHYTHM
This models the rhythm channel of a 
MESA/Boogie.
SMOOTH DRIVE
This is a smooth drive sound.
MILD DRIVE
This is a mellow drive sound.
 
 
MS1959 (I)
This models the sound input to Input I on a 
Marshall 1959.
MS1959 (II)
This models the sound input to Input II on a 
Marshall 1959.
MS1959 (I+II)
This models the sound of a Marshall 1959 
with Inputs I and II connected in parallel.
MS HI-GAIN
This models the sound of a Marshall with a 
modified midrange boost.
POWER STACK
This provides the sound of a stack amp with 
active type tone circuitry.
 
 
CLEAN
Models the sound of the Channel 1 CLEAN 
Mode on the MESA/Boogie DUAL Rectifi-
er.
RAW
Models the sound of the Channel 2 RAW 
Mode on the MESA/Boogie DUAL Rectifi-
er.
VINTAGE 1
Models the sound of the Channel 2 VIN-
TAGE Mode on the MESA/Boogie DUAL 
Rectifier.
MODERN 1
Models the sound of the Channel 2 MOD-
ERN Mode on the MESA/Boogie DUAL 
Rectifier.
VINTAGE 2
Models the sound of the Channel 3 VIN-
TAGE Mode on the MESA/Boogie DUAL 
Rectifier.
MODERN 2
Models the sound of the Channel 3 MOD-
ERN Mode on the MESA/Boogie DUAL 
Rectifier.
 
 
CLEAN
This models a Hughes & Kettner Triamp 
AMP1.
CRUNCH
This models a Hughes & Kettner Triamp 
AMP2.
LEAD
This models a Hughes & Kettner Triamp 
AMP3.
EDGE LEAD
A sharp lead sound.
 
 
SLDN
This models a Soldano SLO-100.
DRIVE STACK
This is a drive sound with high gain.
LEAD STACK
This is a lead sound with high gain.
HEAVY LEAD
A powerful lead sound featuring extreme 
distortion.
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