MXR M77 Custom Badass Modified Overdrive Pedal

• Classic overdrive circuit hotrodded for added versatility
• Adds sustain and gain without coloring your guitar’s tone
• 100HZ knob allows a more focused EQ when cut or a beefier tone when boosted
• Bump switch engages an alternate EQ voicing that boosts lows and mids
• True bypass

Power

• The MXR Custom Badass Modified O.D. is powered by one 9-volt battery (remove bottom plate to install), a 9-volt AC adapter such as the Dunlop ECB003/ECB003E, or a DC Brick power supply

Directions

• Run a cable from your guitar to the Modified O.D.’s INPUT jack and run another cable from the Modified O.D.’s Output jack to your amplifier.
• Set all controls to their 12 o’clock position.
• Turn the effect on by depressing the footswitch.
• Rotate the GAIN knob clockwise to increase the amount of overdrive or counterclockwise to decrease it. Rotate the Output knob clockwise to increase overall effect volume or counterclockwise to decrease it.
• Rotate the 100HZ knob clockwise to increase the low end for a thicker tone or counterclockwise for a more focused sound. At 12 o’clock, the frequency is flat.
• Engage the Bump switch for an alternate EQ voicing that provides a low and mid frequency boost.
• Input Impedance : 1 MΩ
• Output Impedance : <7.5 kΩ
• Noise Floor : >87 dB
• Tone Control : ± 8 dB at 2.7 KHz
• 100HZ Control : ± 24 dB at 100 Hz
• Bump Button : +6 dB low ~ mid boost -3 dB at 540 kHz
• Gain Control : ± 25 dB range at 100 Hz
• Bypass : True Hardwire
• Power Draw : <4 mA
• Power Supply : 9 volt DC

Controls

• Tone knob shapes overall EQ
• 100HZ knob cuts/ boosts at 100 Hz
• Bump switch boosts lows and mids (indicated by blue LED)
• Output knob controls overall effect volume
• Gain knob controls the amount of overdrive
• Footswitch toggles effect on/bypass (red LED indicates on)