The MXR Bass Octave Deluxe is powered by one 9-volt battery (remove bottom plate to install), a 9-volt AC Adapter such as the Dunlop ECB003/ECB003EU, or a DC Brick power supply.
Directions
Run a cable from your guitar to the Bass Octave Deluxe’s INPUT jack and run another cable from the Bass Octave Deluxe’s OUTPUT jack to your amplifier.
Start with all controls at 12 o’clock.
Turn the effect on by depressing the footswitch.
Rotate DRY knob clockwise to increase level of dry signal or counterclockwise to decrease it.
Rotate the GROWL knob clockwise to increase level of throaty midrange sub-octave voice or counterclockwise to decrease it.
Rotate the GIRTH knob clockwise to increase level of smooth, deep sub-octave voice or counterclockwise to decrease it.
Depress MID+ switch to boost midrange. Frequency and level are both adjustable via internalslider (up for 850Hz, down for400Hz) and trim pot (+4dB when fully clockwise, +14dB fully counterclockwise).
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