OD9Pro+ Overdrive
●An evolved version of the OD9. In BOOST mode, newly added mode switch
(BOOST/NORMAL) provides smooth and pure tube sound by reducing high and low
ranges and boosting mid-range. In NORMAL mode, OD9Pro+ enhances the OD9’s fat
and natural scream sound.
●OD9Pro+ uses a stabilized DC-DC voltage converter to bump 9 volts (plus and
minus 4.5 volts) up to 18 volts (plus and minus 9 volts). Operating voltage is
switchable via an internal DIP switch accessible through the unit’s battery compart-
①IN (input jack)
Input jack to connect to the output of guitar,
other effects or related equipment. The
product automatically turns on when a plug
is inserted into this jack. When not in use,
disconnect plug from input jack to preserve
battery life.
* When an external AC adaptor supplies DC
power to this product, the power is always
on and battery is preserved regardless of
input jack connection.
②OUT (output jack)
Output jack to connect to input of amplifier
or other effects.
③DRIVE
This controls overdrive level. Turn it clock-
wise for more overdrive and counter-clock-
wise for smooth natural clean sound.
④TONE
This controls the amount of high frequen-
cies. Turn it clockwise for more treble and
counter-clockwise for less treble.
18V↔9V
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