Preamp/Sp.sim (Preamp/Speaker Simulator) - Boss VF-1 Owner's Manual

24-bit multiple effects processor
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The function of each parameter
PREAMP/SP.SIM
(Preamp/Speaker Simulator)
Adjust the distortion and tone of the guitar sound.
* When all BASS, MIDDLE and TREBLE are set to "0," no
sound may be produced depending on the Type settings.
* When using the preamp / speaker simulator, specifying it as a
"global sound setting" will produce the most effective preamp /
speaker simulator effect. For details refer to "Global sound
settings" (p.45).
* For the "GUITAR MULTI 1," "GUITAR MULTI 2," and
"BASS MULTI" algorithms, you can change the location where
PRE/SP.SIM will be placed. In this case, PRE/SP.SIM will
indicate "POSITION." For details on the setting, refer to
"Changing the order of the effects" (p.30).
EFFECT
Turns the PREAMP/SP.SIM effect on/off.
PREAMP TYPE
This sets the type of the guitar preamp. The distortion and
tone characteristics of each amp are as shown below:
JC-120:
The sound of the Roland "JC-120" (Jazz Chorus 120), a
favorite of pro musicians around the world.
CLEAN TWIN:
The sound of a conventional built-in tube amp.
CRUNCH:
Allows you to obtain a crunch effect that creates a natural
distortion.
MATCH DRIVE:
A simulation of the latest tube amp widely used in styles of
blues, rock and fusion.
VO DRIVE:
Allows you to obtain the Liverpool sound of the 60's.
BLUES:
A lead sound with a rich middle ideal for Blues.
BG LEAD:
The sound of a tube amp typical of the late '70s to '80s,
characterized by a distinctive mid-range.
MS1959 (I, II, I+II):
The sound of a large tube amp stack that was indispensable
to the British hard rock of the 70's, and is used to this day by
many hard rock guitarists.
I:
A trebly sound created by using input I of the guitar amp.
110
II:
A mild sound created by using input II of the guitar amp.
I+II:
The sound of connecting inputs I and II of the guitar amp in
parallel, creating a sound with a stronger low end than I.
SLDN LEAD:
A tube amp sound with versatile distortion, usable in a wide
range of styles.
METAL 5150:
The sound of a large tube amp, suitable for heavy metal.
METAL DRIVE:
A high gain and powerful metal sound.
AC.GUITAR (acoustic guitar):
This is a preamp for electric-acoustic guitars.
* Choosing "AC.GUITAR" activates the built-in flat-amp
simulator, delivering a natural sound with no guitar-amp
idiosyncrasies. Note that when "GLOBAL SOUND
SETTING" for OUTPUT SELECT is set to "LINE," the flat-
amp simulator is switched off.
OD-1:
The sound of the renowned OD-1 from the BOSS compact
series.
OD-2 TURBO:
The sound of the OD-2 from the BOSS compact series, with
Turbo switched on.
DISTORTION:
This produces a standard distortion.
FUZZ:
This produces a basic fuzz sound.
AC:
This can be selected in the "BASS MULTI" algorithm.
It produces the vintage sound of an early transistor amp.
AMG:
This can be selected in the "BASS MULTI" algorithm.
It produces the sound of a large double-stack vacuum tube
amp with ultra-lows and a crisp edge.
VOLUME
Adjusts the volume and distortion of the amp.
BASS
Adjusts the tone for the low frequency range.
MIDDLE
Adjusts the tone for the middle frequency range.
* If you have selected "MATCH DRIVE" as the type, the middle
control will have no effect.

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