Electro Harmonix Deluxe Big Muff PI

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Electro Harmonix Deluxe Big Muff PI

Electro Harmonix

Deluxe Big Muff PI

4.9 Expert Rating

Product Info

Article Number: 341686
Model: Deluxe Big Muff PI
Price: $133.10

* Prices may vary. Check retailer for current pricing and availability.

The Deluxe Big Muff PI is a powerhouse for soaring leads and crushing rhythm tones. The added Attack and Gate controls are a game-changer, giving you unprecedented control over the sustain and dynamics. It's an excellent choice for rock, stoner, and alternative players wanting a truly massive Muff sound.

Product Description

  • Electro Harmonix Deluxe Big Muff PI
  • Electric Guitar Effect
  • Distortion
  • Controls for: Volume
  • Tone
  • Sustain
  • Attack and Gate
  • Semi-parametric mids
  • Normal / Bass Boost switch
  • Q Hi / Low switch
  • True bypass
  • Expression pedal input
  • Dimensions (W x D x H): 145 x 120 x 64 mm
  • Battery operation possible (battery not included)
  • Power supply is not included
  • suitable power supply: Art. #109004#
PROS
  • • Exceptional sustain and thick, saturated distortion tone
  • • Attack and Gate controls offer unprecedented dynamic shaping
  • • Semi-parametric mids allow precise tonal sculpting for clarity
  • • Bass Boost and Q switches expand versatility beyond classic Muff sounds
CONS
  • • Can be muddy in lower gain settings with scooped EQ
  • • Large footprint may be an issue on smaller pedalboards
  • • True bypass can introduce noise if power supply isn't clean

Product Video

Key Features

Distortion Type Overdrive/Distortion (Big Muff PI variant)
Controls Volume, Tone, Sustain, Attack, Gate, Mids (Semi-parametric), Bass Boost/Normal, Q Hi/Low
Bypass Type True Bypass
Power Supply 9V DC, 2.1mm center-negative, battery operation possible
Connections 1/4 in Input, 1/4 in Output, 1/4 in Expression Pedal Input
Dimensions 145 mm x 120 mm x 64 mm

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Frequently Asked Questions

It dramatically shapes the initial attack of notes and tames runaway sustain, providing much tighter and more controlled distortion – something missing in earlier versions.
It's a boost, yes, but it's more of a 'presence' enhancement rather than a massive low-end swell. It's subtle but effective for adding warmth and fullness.
The semi-parametric mids help combat that darkness, allowing you to dial in a more balanced tone. However, it's still a Big Muff – expect a certain inherent warmth and fuzz.

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