
®
Octavio Fuzz
M267
Made famous by Jimi Hendrix, the Octavio Fuzz and its
touch-responsive octave-up saturation continue to be
employed by modern players, from straight-up rockers
to low ’n’ slow doomsayers. For the first time ever, that
iconic effect has joined the MXR standard line.
jimdunlop.com/m267

External Controls
1
2
3
1 OUTPUT knob sets overall volume of effect
2 FUZZ knob sets intensity of fuzz effect
3 FOOTSWITCH toggles effect on/bypass (white LED indicates on)
M267 | Octavio® Fuzz 2

Basic Operation
Power Directions
The Octavio® Fuzz is powered by one 9-volt battery
(remove bottom plate to install), the Dunlop ECB003
9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini
Iso-Brick™ power supplies.
1. Run a cable from your guitar to the M267’s INPUT
jack and run another cable from the M267’s OUTPUT
jack to your amplifier.
2. Start with all controls at 12 o’clock.
3. Turn the effect on by depressing the footswitch.
4. Rotate OUTPUT knob clockwise to increase overall
volume or counterclockwise to decrease it.
5. Rotate FUZZ knob clockwise to increase the amount
of fuzz or counterclockwise to decrease it.
M267 | Octavio® Fuzz 3

Specifications
OCTAVE ON
Input Impedance < 187 kΩ
Output Impedance < 50 kΩ
Max Output 4.6 dBV
Gain Range 8 dBV to 37 dBV
Bypass True Hardwire
Current Draw 5 mA
Bypass 9 volts DC
Power Requirements
9 volts DC
M267 | Octavio® Fuzz 4