M
ast
ro Valvola
2
Settings
Dual-purpose pedal:
bu
ff
er
and
boost
.
The
bu
ff
er
o
ff
ers optimum transparency and will solve any problems of loss of
signal caused by long e
ff
ect chains. It can help you produce those harmonics you
thought you had lost and which your audience will think highly of.
The clear
boost
will give you the boost you need for your solo parts and is also
useful for saturating your ampli
fi
er channels.
With close attention to the musician’s needs and requirements, we have chosen a
speci
fi
c range of frequency responses for this product, from medium-low to
medium-high frequencies. You can choose from the “Tone” control: the 12-hour
position corresponds to “Flat” frequency.
Notes:
Can be powered by a battery or an optional AC/DC adaptor.
The input jack also works as the power switch.
Power is turned on whenever a plug is inserted into the input jack, and is turned o
ff
when the plug is disconnected. Keep the plug out from the jack when not in use.
Inserting external power supply the battery is automatically disconnected.
9 -12 V DC / 20mA
Changing the battery
To replace the battery following the step below:
1. loosen the screws at the base of the pedal, then remove the base of the pedal unit;
2. remove the old battery from the battery housing, and remove the snap cord
connected to it;
3. connect the snap cord to the new battery, and place the battery into the housing;
4. close the pedal, insert the screws into the holes and fasten them securely.
Flat Boost
Mid-Treble Boost
Treble Boost
Mid-Bass Boost
Boost for
lead channel
Bu
ff
er only
