Mr. Black TunnelWorm

^# 53

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Page last updated Jun 02, 2026

Pricing and availability

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Price

Average Price: $120

Standard/Professional

$60

$201+

Price Tier

In the Flanger Effects Pedals category, Mr. Black TunnelWorm is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

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Description

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Embark on a sonic journey with the Mr. Black TunnelWorm, where the elusive and captivating essence of true flanging takes center stage. This compact powerhouse effortlessly bridges the gap between the classic flange tones that defined the '80s and the experimental edges of today's soundscapes. Handcrafted with a focus on simplicity and sonic purity, the TunnelWorm invites both novices and seasoned musicians to explore its depths. Its standout Zero control isn't just a feature; it's a gateway to achieving that rich, subtractive flanging effect that has fascinated guitarists for decades. Whether you're chasing the aggressive bite of a full zero sweep or a subtle, melodic wave, the TunnelWorm stands ready to deliver, without the hefty price tag.

Key Features:

Handmade construction
Streamlined interface for ease of use
Unique Zero control for versatile flange effects
Capable of producing both aggressive and traditional flange tones
Designed to achieve subtractive flanging without complexity

Product specs

Brand	Mr. Black
Model	TunnelWorm Through Zero Flanger
Finish	Black
Year	2012
Made In	United States
Categories	Flanger Pedals

FAQs

What makes the Mr. Black TunnelWorm unique among flanger pedals?: The Mr. Black TunnelWorm is a through zero flanger, which means it can achieve the classic "through zero" effect where the flanged signal passes through the original signal, creating a dramatic and distinctive sound that is different from typical flangers.
Is the Mr. Black TunnelWorm suitable for both guitar and bass?: Yes, the Mr. Black TunnelWorm works well with both guitar and bass, offering a rich, sweeping flanger effect that enhances the tonal palette of both instruments without losing low-end clarity.
Does the Mr. Black TunnelWorm require a specific power supply?: The Mr. Black TunnelWorm requires a standard 9V DC power supply, center-negative, typical of most pedalboards, making it easy to integrate into your existing setup.
How does the Mr. Black TunnelWorm compare to other flanger pedals?: The TunnelWorm stands out with its through zero flanging capability, which provides a unique and intense modulation experience compared to standard flangers that do not offer this feature.
Can the Mr. Black TunnelWorm be used in a live performance setting?: Absolutely, the TunnelWorm is designed for both studio and live use, offering robust construction and reliable performance that can withstand the demands of gigging musicians.

Videos

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ProGuitarShopDemos

Mr. Black TunnelWorm Through-Zero Flanger by Jack Deville

ProGuitarShopDemos

Mr. Black Tunnelworm Through Zero Flanger

Curtis Kent

Mr. Black Tunnelworm through zero flanger

Curtis Kent

Mr. Black - TunnelWorm (Through-Zero Flanger) Full Demo

Sean Gibson

Keith Holland Guitars Pedal of the Week: Mr. Black Tunnelworm Flanger

Keith Holland Guitars

Reviews

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PROS

Offers a wide range of conventional and unique flanging sounds
Full-bodied sound with pristine treble, not too bright or dark
Capable of through-zero effects for ultra-lush tones
Versatile, achieving jet-like flange, watery chorus, and harmonic tremolo
Distinctive modern sound compared to classic rock flangers
Excellent for bass and guitar, complements other effects well
Unique control approach allowing for varied sound experimentation
High sound quality, stands out among other zero point pedals

CONS

Lacks a Regen control, limiting some flanging options
Discontinued model, may be harder to find

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Mr. Black TunnelWorm.

Features and functionality

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The TunnelWorm effectively replaces chorus and rotary sounds, making it a versatile option for those looking to streamline their pedalboard.
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Comparisons

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While the Catalinbread Zero Point may have a slightly preferred tone, the TunnelWorm is more versatile and reliable, especially when compared to the FoxRox flanger.
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User experience

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Owners highlight the TunnelWorm's ability to produce swooshy psychedelic sounds, particularly when paired with pedals like the DOD Rubberneck and Stone Deaf Fig Fumb.
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Despite previous issues with Mr. Black pedals being noisy, the TunnelWorm is noted for its lack of noise, indicating improved build quality.
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Value and pricing

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A specific owner found the TunnelWorm for $70, which is considered a bargain compared to other through-zero flangers like the expensive FoxRox models.
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