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Description
The Electro-Harmonix Big Muff Pi is more than just a guitar pedal, it's a piece of music history. This classic fuzz effects pedal has been the secret weapon of legends like Jimi Hendrix and Santana, as well as contemporary artists from Jack White to Muse. Its rich, creamy distortion and violin-like sustain have been shaping the sound of rock music for the better part of 30 years.
Just like the original '70s Big Muff Pi, this reissue features three intuitive controls—Volume, Tone, and Sustain—that let you dial in a wide range of distortion styles. Crank the Volume for a boost to cut through the mix, increase the Sustain for endless sustain and harmonics, and sweep the Tone from a warm, bassy purr to a sharp, trebly bite. With just a few tweaks, you can achieve the signature Big Muff Pi sound or forge your own.
Despite its roots in rock's golden age, the Big Muff Pi is not just a relic. It's a workhorse pedal built for today's players. Its compact, rugged enclosure can withstand the rigors of the road, and it can be powered with a 9V battery or any standard 9V DC power adapter.
Key Features:
- Volume, Tone, and Sustain controls for a wide range of distortion styles
- Rich, creamy distortion and violin-like sustain
- Compact, rugged enclosure suitable for touring
- Can be powered with a 9V battery or any standard 9V DC power adapter
- Used by legendary and contemporary artists alike
- Made in the USA
Owner's manual
Electro-Harmonix Big Muff Pi User ManualProduct specs
| Pedal Type | Fuzz |
| Analog/Digital | Analog |
| Inputs | 1 x 1/4" |
| Outputs | 1 x 1/4" |
| Bypass Switching | True Bypass |
| EQ | Tone Control |
| Controls | Sustain, Volume |
| Power Source | 9V DC power supply (sold separately) |
| Batteries | 1 x 9V |
| Height | 2.95" |
| Width | 5.5" |
| Depth | 6.875" |
| Weight | 1.55 lbs. |
FAQs
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What kind of sound can I expect from the Electro-Harmonix Big Muff Pi?
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The Electro-Harmonix Big Muff Pi delivers a classic fuzz tone characterized by its rich, creamy sustain and harmonic distortion, making it ideal for rock, alternative, and grunge music.
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Does the Electro-Harmonix Big Muff Pi work well with both guitar and bass?
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Yes, the Big Muff Pi is versatile and works well with both electric guitars and bass guitars, providing a thick, powerful fuzz sound for both instruments.
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What type of power supply does the Electro-Harmonix Big Muff Pi require?
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The Big Muff Pi requires a 9V DC power supply, which is sold separately, and can also be powered by a 9V battery.
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Is the Electro-Harmonix Big Muff Pi suitable for beginners?
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Yes, the Big Muff Pi is beginner-friendly due to its simple control layout with sustain, tone, and volume knobs, allowing easy adjustment of your fuzz sound.
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Does the Electro-Harmonix Big Muff Pi have true bypass switching?
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Yes, the Big Muff Pi features true bypass switching, ensuring your signal remains unaffected when the pedal is turned off.
Equipboard's Expert Review
Equipboard tested this
The Fuzz Legend Lives OnIconic tone, simple yet effective
In our tests, we found that the Electro-Harmonix Big Muff Pi lives up to its legendary status. This classic fuzz pedal has been a staple in countless pedalboards for decades, and it's easy to see why.
Upon unboxing, we were immediately struck by its iconic design and sturdy construction. The large enclosure may not be ideal for cramped pedalboards, but it certainly feels built to last. The simple three-knob layout is intuitive and inviting, allowing us to dial in our desired tone quickly.
We were impressed by the Big Muff's versatility across different genres. From searing lead tones to thick, woolly rhythm sounds, this pedal delivers the goods. The sustain is phenomenal, and the distortion control offers a wide range of fuzz textures. We particularly enjoyed how well it paired with both clean and dirty amp channels.
However, it's not without its quirks. In our experience, the Big Muff can sometimes sound a bit too bassy or muddy, especially in a band mix. We found ourselves wishing for more midrange presence to help cut through. Additionally, we noticed some noise issues when using certain power supplies, so it's worth experimenting to find the right setup.
For us, the Big Muff Pi remains a must-have for any guitarist seeking that classic "wall of sound" fuzz tone. It's perfect for players who prioritize raw, powerful sound over intricate tweakability. However, those with limited pedalboard space or those seeking a more modern, precise fuzz might want to look elsewhere. Nonetheless, at its price point, it's hard to beat the Big Muff's combination of iconic tone and rugged reliability.
Videos
ProGuitarShopDemos
Electro Harmonix Big Muff Pi USA
Reviews
PROS
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Iconic, unmistakable fuzz sound used by famous artists
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Offers incredible sustain for solos
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Versatile tone, from smooth distortion to intense fuzz
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Can cut through the mix well, even in dense arrangements
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Works well with various instruments, including synths
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Durable and reliable, even with regular use
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Provides a thick, creamy tone ideal for certain music genres
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Relatively affordable for its category and capabilities
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Easy to mod for those looking for a custom sound
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Some models come with a built-in buffer, enhancing compatibility with wah pedals
CONS
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Large size can take up significant pedalboard space
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Can be noisy, especially with "dirty" power supplies
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Some find it too bass-heavy, affecting clarity on lower strings
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The lack of mid-range control can make it hard to cut through in live settings
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Tone can be overly specific, not as versatile as other pedals
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Enclosure's square corners and bulky design can be cumbersome
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Circuit design sensitive, may not pair well with all amps
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May require modifications for optimal performance with certain setups
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AC adapter not standard, making power supply challenging
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix Big Muff Pi.
Use cases and applications
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The Big Muff Pi is praised for its sustain and melodic lead tones but isn't ideal for fast rhythm in metal genres like Megadeth or Metallica.
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Overdrives can enhance the Big Muff's EQ control, helping to refine the pedal's fuzz-heavy output for different musical genres.
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For those interested in clear chord articulation, the Violet Ram’s Head variant is suggested for its aggressive and clearer sound profile.
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Comparisons
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For achieving thrash metal tones on a budget, consider the Joyo "Pocket Metal," designed for a sharp, tight sound akin to "Rust in Peace."
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The Boss DS-2 is noted for having excessive fuzz for metal, whereas the DS-1 combined with an EQ provides better results.
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The OpAmp Nano Muff offers a more modern, scooped, and saturated sound compared to the standard Nano, which could appeal to those seeking a contemporary Muff tone.
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The Ram's Head is frequently recommended for achieving a Gilmour-like tone, while the Russian variant is noted for its uniquely bass-heavy, smooth sound.
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Features and functionality
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The Big Muff tends to get "flumpy" with speed picking, requiring careful manipulation of its sound settings.
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The Nano version tends to sound boxier with less top-end than the USA big box, making it less vibrant for some users.
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The Sovtek Deluxe Big Muff Pi includes a midrange footswitch, critical for enhancing mids that can be lacking in typical Muff pedals.
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The Way Huge Swollen Pickle Fuzz MkII, inspired by the Green Russian Muff, offers five external knobs and two hidden mini knobs for precise tonal control.
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Build quality
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The original Big Muff Pi's circuit occupies a small space in its large enclosure, allowing for a much more compact design in the Nano version.
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Setup and maintenance
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Older big-box Muffs require a 3.5mm adapter for power, but newer models come with a standard Boss power jack, simplifying integration into modern pedalboards.
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4.5 out of 5
Based on 119 Reviews and 852 Ratings
922
115
Nothing quite like it!
This is one of my favorite pedals and for good reason, this is the thickest mix cutting pedal I have heard. As someone who grew up listening to Smashing Pumpkins I always strived for that sound and when I found the Big Muff I couldn't go back. I use this in my recordings usually for when I need a thick wall of noise or a screaming guitar lead/solo. This thing is HARD to control but I love it for that, it has a niche but it fills it the best way possible I feel. Worth the money go get it!
194
145
classic, built like a tank
is that sound, everyone knows, the big muff, that ol´ mid scooped fuzz sound.
practically impossibe to break, a good pedal, does it well on so many genres, huge fuzz.
but being honest, the size dont make sense anymore, the circuit board is a half of the size of the box, not so practical for pedalboards and gigging (plus it is hard to have it cutting in the mix due to the lack of mids).
that was my first pedal but im getting rid of it because i dont like the lack of mids for live sound and the impossibility to generate it with the tone or sustain knob. plus it can get very fizzy if you crank some knobs. and i need more sonic destruction.
i love the pedal, probably muff styled fuzz´s are my favorite pedal ever, but they need mods to make it work.
Preferred Settings + Usage:
pretty low sustain and dark tone (about 10). for getting that doomy cracked up shoegaze sound. always neck pickup
903
Same for me on the 'sustain' setting, I keep mine dialed in pretty low as well. I wanted a "real fuzz" sound so I dumped the tone down pretty low, turned the 'volume' up, and run it through an Orange OR15 with a fair amount of gain dialed in. The sound is pretty much what I was looking for, and surprisingly it still plays really reactive and fast on the higher strings, but gives me that nice fuzzy, smooth sound on the lower strings. Especially with the neck pickup of a guitar engaged. Classic pedal, sustain for days.
147
Classic and fantastic
The basic NYC big muff its great because its original sounds can still sound incredible on todays music. I would recommend that every musician (and person if you ask me twice) try one out as it can be used on almost anything. Especially if you want to try new sounds in your productions, drums bus distortion is a must. There are thousands of muffs but the og is still one of the greatest
Preferred Settings + Usage:
Tone low its the stoner express
Artist usage
Add artist
The Electro-Harmonix Big Muff Pi can be seen at 7:25, right side of screen, on the table with a Korg MS-20.
In this photo from Bora Karaca's Instagram, it shows a few pedals in his studio. Among these is the Electro-Harmonix Big Muff Pi.
" As for pedals, I only use a BOSS tuner and occasionally a Big Muff distortion pedal. "
"After acquiring a decent starter electric guitar, naturally, my next purchase was a guitar pedal, and that came in the form of the Ibanez FZ7 Tone Lok Fuzz. From there, I got a wah pedal as a birthday present, a Tube Screamer I saved up for for months, an upgrade to my fuzz pedal [the Big Muff]..."
First visible in this video at 0:46.
In the video "Horse Jumper of Love - 'Bagel Breath' - Live at Little Elephant," the Electro-Harmonix Big Muff Pi pedal is clearly visible at the 4-second mark, confirming its use by Dimitri Giannopoulos. This performance was captured by Little Elephant.
In a photo of Harry Fowler's pedal board from the autumn 2024 UK tour, he can be seen using an Electro-Harmonix Big Muff Pi. The image serves as proof of the gear's presence in his setup.
The Big Muff is among the pedals Eddie Jobson used on his violin earlier on in his career, as mentioned in this interview.
Used for "Bad Motor Scooter", "Make It Last" and "Rock Candy", according to the following sources.
The stage is free of pedals because, the artist maintains, they always "screw up," but in the studio he does use a Big Muff fuzztone and an Ampeg Scrambler (the former built into a heavy-duty box). Ronnie's chosen amp for the past three years has been an old single cabinet tweed Fender Bandmaster with three 10" speakers. He has used the Marshalls on a few tracks, but their volume makes them difficult to work with when other band members are recording in the same room.
Circus, July 31, 1982, "Ronnie Montrose's guide to guitar accesories"
Page Influenced Montrose
"I saw him use a wah-wah," he recalls. "But my first box was an Ampeg Scrambler. It was in the days when sustain, compression, and all the things we now take for granted were in the experimental stages. This box just added a lot of noise and messed up the harmonics. I later used it with a Big Muff distortion box. I put the Scrambler in front of the Big Muff and turned it wide open. I adjusted the Big Muff and got a second note a perfect octave higher. You can hear this on 'Make It Last' from the first Montrose album."
Before I forget about it, I want to inquire about a particular sound on the first Montrose-album. I’ve seen Hagar doing the “Bad Motor Scooter” intro in concert on a lap steel. Is that how you did it on the first album?
Well, one thing you ought to know is that the song almost didn’t make it onto the album! (chuckles) We thought it was a “loser” track; just a little ditty that Sammy had written, but it was missing something. Then one day I was sitting with my red, double-cutaway Les Paul Junior, and a Electro-Harmonix Big Muff fuzztone, and the one amp I wish I’d never got rid of, a three-ten tweed Fender Bandmaster. I’d gotten it for ninety dollars, and when I bought it, it was covered with woodtone Contact adhesive paper! The Contact paper peeled right off; it didn’t leave any residue and the tweed looked brand new. I used that amp so much I blew it up several times before I finally got rid of it.
I tuned the Junior down to Open D, and started dinking around with a slide; I was probably doing Johnny Winter riffs. I happened to hit something that sounded like a motorcycle, and everyone yelled “STOP!” all at the same time. (laughs) We all knew where that riff belonged, so we changed reels and did it as the intro to “Bad Motor Scooter”.
Vintage Guitar, February 14, 2002 (unabridged)
The first Montrose album, Montrose, set new standards for sonic quality, and the duo of producer Ted Templeman and engineer Don Landee of course went on work with Van Halen. You’d worked with Ted on Van Morrison recordings, but really, Montrose broke the ground and poured the foundation upon which modern heavy metal is built – what can you tell me about the sound and recording of that album? Did you have a distinct impression of how you wanted that project to sound?
We had told Ted that we liked the Zeppelin thing, which was why we did the song “Rock Candy” at Sunset Sound, to get that big room sound. But everything was just sort of loose and free. As I look back at it, an old band mate of mine, Mitchell Froom, who is a pretty successful producer, I mentioned to him, “That first Montrose album sounds so basic and simple and raw. Sometimes I actually listen to a couple of sings and I sort of cringe, because it’s just so junior as far as playing.” And Mitchell said, “But the point is, all four of you were playing up to 100% of your ability. And when you do that, it can’t be denied.” And that’s the truth, and it was a very enlightening thing to hear from someone. When you’re playing up to your ability, and you only know three chords, and you’re giving it your all – that’s it! So we just had a good time playing.
The guitar tones of that recording are stunning – rich in tone, but very much in-your-face…
I was the only one who would hang around for mixes, and Ted and I would experiment and mess around with sounds. Ted and Don, both were my buddies in the studio. We sat around and joked, but I was always hanging over the console watching. Don and I would come up with these ideas, like the whole beginning of “Space Station #5.” That was me experimenting with my voice through a Leslie and a fuzztone. In the background of the chorus of “Rock Candy” Ted’s playing a Hammond B3, but we didn’t just want a B3. So I took the back off the B3, took the preamp output and put it into my Big Muff fuzz tone, put it into the Leslie and just fuzzed it beyond belief. So sonically, we were always into trying. As far as their ears were concerned, Ted was really on top of it, and Don was as well. I called Don “The King of the Frequency Layers.” He’d say, “We need just a little more 4k there. What do we have around the studio that’s in the 4k range?” I was very impressed with that.
Guitar Player, "GP CLASSIC: Ronnie Montrose Interview" (at 3:43)
I did use a Big Muff fuzztone when I recorded "Bad Motor Scooter". That was once again through the same Bandmaster, but to get that super fuzztone, you know, I was just screwin' around one day, we actually, we weren't sure this song was gonna be on the record and, I was just sorta screwin' around with open D tuning slide and hit the—I don't have it, you know, it's not in tune now, but it's like [plays slide phrase] and, Ted Templeman and Donn Landee said "Stop! Stop! Stop!" They ran and got the tape, they put it on, 'cause it sounded, it just sounded so perfect for the song, but we weren't really intending it to be that way, it was just, it just happened, so... But it was a Big Muff fuzztone.
The Les Paul Forum, "What guitar did Montrose use?", comment #47 by Pope Bubba, July 5, 2013
A couple'a years ago, Greg Martin and I sat on their tour bus with Ronnie after one of their shows, and he told us all about the Fender 3x10 Bandmaster he used on that first Montrose album. he made the comment that he really wished he had never gotten rid of it. he also showed us the way Jimmy Page showed him to play the into to Zeps "Whole Lotta Love". he was a REALLY nice guy.
I remember that like yesterday, Jimmy. Ronnie was one of the nicest humans ever, a big influence on me in the 70's.
As Jimmy said, Ronnie used an old tweed 3x10 Fender Bandmaster, that had been recovered, for the first Montrose album. Since his 1959 'burst was stolen at a Edgar Winter Group gig earlier, I'm almost thinking the first Montrose album was done with a newer Les Paul or another 50's 'burst? I always envisioned Ronnie having stacks of Marshall's in the studio for "Montrose," it was all done on that tweed Bandmaster! He also told me he used a Electro-Harmonix Big Muff on "Bad Motor Scooter" and a Ampeg Scrambler on "Make It Last." Ronnie said the trick to making the Scrambler work, was rolling the treble all the way back on pickups and turning the volume all the way up. I own an old Scrambler, this works!!! Other than that, Ronnie said it was straight into the amp. You can hear a Eventide H910 Harmonizer added in on the mix by producer Ted Templeman or engineers Don Landee and Stephen Jarvis as well, set on 1.01 or 0.99. That gave it that doubling slap sound on solos. Ever notice the similarities in guitar tones on the Doobie Brothers "China Grove" and "Montrose"? Both produced by Ted Templeton....
I really miss Ronnie, we got to be really good friends. We had many conversations about music, guitars, amps, influences, even jammed about 3 times. He wanted to produce a Rufus Huff CD, sadly we never got to do it. He's a BIG reason I play a Les Paul today, I know Jimmy feels the same way. His talent and spirit was undeniable. Anytime I need a good kick in the rear, I put on that first Montrose album!
Greg
I asked what Ronnie used on the first Montrose album and he stated a Les Paul (probably a '58), Big Muff (not sure which issue, probably recently bought for the lp I would think) and a Fender Bandmaster which he purchased just before the recording.
The "Triangle" Big Muff was phased out for the "Ram's Head" in 1973, the year that Montrose was recorded, ambiguating the version used. Judging by the 1969 release of the Ampeg Scrambler and Led Zeppelin's 1969 debut, however, Montrose must have been exploring fuzzes rather quickly. This suggests a "Triangle" Big Muff. Big Muff Pi scholar Kit Rae seems to have come to the same conclusion.
Ronnie Montrose of Montrose - A Les Paul, Tweed Fender Bandmaster, and a V1 Big Muff was used on their first Montrose album in 1973.
Album Usage
The Electro-Harmonix Big Muff Pi has been featured on the following albums:
party's over
Aziya (2024)
Weezer 30 (Anniversary Super Deluxe)
Weezer (2024)
STONE (Deluxe)
Baroness (2023)
Devoured
Kanadia (2021)
Samsara
Venom Prison & Venom Prison (2019)
Two Parts Together
Big Ups (2018)
Simulation Theory (Super Deluxe)
Muse (2018)
Horse Jumper of Love
Horse Jumper of Love (2017)
Chroma
Mt. Eddy (2017)
Drones
Muse (2015)
Subsume
Cloudkicker (2013)
Howl
Beware of Darkness (2012)
Kairos
Sepultura (2011)
Whatever People Say I Am, That's What I'm Not
Arctic Monkeys (2006)
Here Comes The Fuzz
Mark Ronson (2003)
Strange Beautiful Music
Joe Satriani (2002)
The Fragile
Nine Inch Nails (1999)
Boggy Depot
Jerry Cantrell (1998)
Pinkerton - Deluxe Edition
Weezer (1996)
Pinkerton
Weezer (1996)
Black Love
The Afghan Whigs (1996)
Korn
Korn (1994)
Pork Soda
Primus (1993)
Nevermind
Nirvana (1991)
Dreaming #11
Joe Satriani (1988)
Kill 'Em All (Remastered)
Metallica (1983)
Garlands
Cocteau Twins (1982)
Rock Until You Drop
Raven (1981)
The North
R. Stevie Moore (1978)
Kiss: Ace Frehley
Ace Frehley (1978)
Montrose
Montrose (1973)
Tago Mago (40th Anniversary Edition)
Can & Can (1971)
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Electro-Harmonix Big Muff Pi, it is most commonly used with the following gear.
Community setups
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