Old Blood Noise Endeavors Alpha Haunt 21

A revisited Alpha Haunt, designed for the pedalboard

Two years after its initial release, the Alpha Haunt returns in a "21" version with a more pedalboard-friendly format, without sacrificing what makes it strong: a very broad fuzz circuit approach and a true ability to shift from musical grit to more extreme behaviors. The idea is not to offer a fuzz with a single "sweet spot," but a texture platform ranging from controlled bite to unstable and intentionally chaotic saturation, all with sculpting tools worthy of a true effect preamp.

Who it's for and the styles where the Alpha Haunt 21 excels

The Old Blood Noise Endeavors Alpha Haunt 21 is aimed at guitarists (and bassists depending on your signal chain) who want an expressive fuzz capable of covering multiple registers without multiplying pedals. It suits both intermediate musicians looking for an easy-to-fit fuzz in a band and sound designers who enjoy pushing settings into more unpredictable zones.

As for styles, it feels comfortable in alternative rock, garage, stoner, psychedelic, noise, grunge, but also in post-rock and ambient when placed before delays and reverbs. In the studio, its active EQ and Enhance circuit facilitate tracking: you can keep the thickness and "dirty velvet" of the fuzz while recovering attack for a clear riff. Live, the main volume and EQ allow recalling a consistent level and presence from one venue to another.

Controls, voicings, and architecture: a fuzz that shapes itself

The heart of the pedal relies on variable control of gain, compression, and tone to define the base: from a more open saturation (breathing attack, broad grain) to a denser, tighter fuzz (more sustain, more "clamp"). To go further, switchable voices allow acting on the fuzz range, bias, and tone : this is where the pedal evolves from a rather classic behavior to more "gated," drier, choppier textures, with that crunchy and unstable side sought after in certain parts.

The Alpha Haunt 21 also integrates a parallel Enhance circuit with independent volume. Practically, you can keep the thickness and saturation of the fuzz signal while reinjecting a clearer component to reinforce definition, attack, and presence. Finally, a main active 3-band equalizer allows precise output shaping: ideal to tame an overly abrasive high end, scoop out space for vocals, or conversely boost the low end for a more massive wall of sound.

Bypass switching is done via a Soft Touch relay system, pleasant underfoot and suited for intensive stage use.

The sound

The Alpha Haunt 21's signature is a fuzz that knows how to be musical without losing its ability to become dirty and aggressive when provoked. At moderate settings, you get a rich, dynamic grain with a real sense of responsiveness to playing: lowering the guitar volume reveals airier, edgier textures. When increasing gain and pushing bias toward more extreme zones, the pedal can shift to more "broken," compressed, and choppy saturations, perfect for acidic lines, heavy riffs, or breakup effects.

The Enhance circuit is a major asset: it brings that extra clarity and body that helps the fuzz stay readable in a dense mix, while the active 3-band EQ allows you to "place" the saturation exactly where you need it. The result: a highly sculptable fuzz, from thick walls to sharp grain, with a wide palette of textures at your fingertips.

Technical specifications

Effects	Fuzz	Type	sector
Technology	Analog	Use	electric guitar
Format	Pedal	Color	White
EQ	3 channels

Effect pedal	fuzz	Power connector	2.1mm, center-negative
Switchable voices	fuzz range, bias, and tone	Power adapter	not included