Electro-Harmonix Big Muff Pi Instruction Manual
BIG MUFF PI
Congratulations! You have just purchased the finest harmonic distortionsustain device developed to date for the electric guitar player. The Big Muff
Pi will give you a sweet violin-like sustaining sound. It's the same legendary
sound created by Jimi Hendrix.
-OPERATING INSTRUCTIONS-
VOLUME CONTROL — sets the output level.
SUSTAIN CONTROL — adjusts the amount of sustain and distortion.
TONE CONTROL — provides a range of sounds from high treble to deep
bass.
-OPERATION AND WARNINGS-
Power from the internal 9-volt battery or external battery eliminator is
activated by plugging into the input. The input cable should be removed
when the unit is not in use to avoid running down the battery.
To achieve its long sustain, the Big Muff Pi has very high maximum gain.
This requires that pickups and cables be well shielded and properly grounded
to avoid excessive hum when high sustain control settings are used.
The small jack on the back of the Big Muff Pi is for a 9-volt battery eliminator
capable of delivering 100 mA of current. The unit’s battery may be left in or
taken out when the eliminator is in use.
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