M
ast
ro Valvola
2
Settings
This tremolo means business!
Tremarella is an OPTICAL tremolo which, in addition to the classic tremolo sounds, can
also achieve a large number of variations, due to the opportunity it o
ff
ers to choose
between triangular or square sound waves, and between two frequency controls
(“light speed” and “dark speed”), which allow the user to vary the geometry of these waves.
A third potentiometer controls the depth of the
sound e
ff
ect.
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 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.
Helicopter
AC Shock
Auto-Volume
Classic Tremolo
Psychedelic
Bass Dance
