Mistweaver Effects The Serpent

The Serpent is a fuzz pedal from Mistweaver Effects, a boutique pedal maker based in Singapore, and it was the company's first stompbox when it launched in July 2018¹. It is modeled after the vintage Sovtek Green Russian Big Muff Pi, the Russian-built Big Muff that has become a sought-after circuit among fuzz players, but with what Mistweaver called "a modern and more functional twist"². That twist comes down to two things: improved bass response, and a three-position mids toggle the original never had¹.

Guitar.com described the result as having "all the fat, smooth tones of the Sovtek original" with bass response that makes it excel at low-end frequencies¹. Mistweaver's own launch copy said the pedal "provides that throaty powerful saturation with lots of bottom end" for heavy downtuned riffs².

A Green Russian Big Muff with improved bass

The Green Russian Big Muff Pi was built by Electro-Harmonix under the Sovtek name in the 1990s; the tall font version, the V7, dates to 1994 and its circuit was identical to the earlier "Civil War" version³. Kit Rae's Big Muff history notes that the Green Russian has less gain, a fatter bottom end and brighter mids than most vintage USA Big Muffs, and that it became a favorite among bass players because of the low gain and huge, bass friendly low end⁴. The Black Keys used one on early live and studio recordings such as "Your Touch"⁴.

The Serpent takes that circuit as its starting point. Pedal of the Day noted that the Green Russian Big Muff Pi is fairly well known to fuzz aficionados, and that The Serpent "seeks to re-create" those tones⁵. Where the original is a fixed circuit, The Serpent adds control over the midrange, which is the biggest practical difference for a player comparing the two.

For players who want the original in current production, Electro-Harmonix sells a Green Russian Big Muff Pi reissue, which the maker describes as "the authentic reissue of the legendary Green Russian Big Muff Pi" with "the exact same sound beloved by guitarists and bassists alike"⁶.

The controls: Volume, Tone, Gain and a mids toggle

The control panel is deliberately simple. Three knobs handle the basics, and one mini toggle handles the midrange⁵¹.

Pedal of the Day called the Volume, Tone and Gain knobs "a pretty basic control section" and pointed to the toggle as the feature that spices things up⁵. Guitar.com described the Contour mini toggle as letting you "switch between flat, scooped and boosted mids"¹.

The three mids modes matter more than they might look. The classic Big Muff sound is scooped, with the midrange cut away so the fuzz sits big and smooth but can disappear behind a loud band. A boosted mids setting pushes the fuzz forward in a mix, and flat leaves the midrange as the circuit naturally renders it. The Serpent is one of a small set of Big Muff derived pedals that puts that choice on a switch instead of leaving it fixed⁵¹².

What reviewers said

Pedal of the Day reviewed the pedal in September 2018 and was positive about both its sound and its flexibility⁵:

The same review said the pedal "brings your tone to life, rocking any amp"⁵. On the bass question, the reviewer found it "excels at low-end frequency output, making it a must-have for any serious 4 (or 5) string player out there"⁵, which matches Mistweaver's own claim that the pedal is "ideal for bass guitar"².

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