Old Blood Noise Endeavors BL-52 Phaser Repeater

A signature "phase repetition" within the BL series

The BL-52 belongs to Old Blood Noise Endeavors' BL series, a range designed to explore time and modulation effects from a creative angle. Here, the idea is not to replicate a vintage phaser or a classic delay, but to offer a phase repetition : echoes that seem to constantly transform, sometimes clear, sometimes more "cloudy," as if the room around your amp changes size and texture with each repeat.

The BL-52 excels when you allow the effect to surprise you. It's a pedal that rewards exploration: you're not necessarily looking for "the" perfect setting, but a living, musical, and often unexpected path of repetitions.

For which guitarists (and contexts)?

The BL-52 is aimed at guitarists (and bassists) who enjoy inspiring and organic effects: ambient, post-rock, shoegaze, indie, film music, experimental, or simply modern rock that wants to break new ground. It can also add subtle depth to more classic parts, provided you dial in the Mix and Feedback carefully.

In the studio, it becomes a texture machine: shifting doubles, modulated trails, "floating" backgrounds, and transitions between sections. In live settings, it's perfect for expanding a chorus, filling a silence, or transforming a simple motif into a soundscape, while remaining easy to control on a pedalboard.

Controls and operation: simple on the surface, rich in depth

The BL-52 gets straight to the point with four highly interactive controls. The Clock fader is the heart of the pedal: it adjusts the system's timing and influences the overall character, moving toward faster, more defined repeats or longer, darker, and more diffuse tails. This approach gives the impression that modulation and time are "linked" rather than layered.

The Feedback knob increases the number and persistence of repeats, perfect for shifting from a subtle halo to a moving wash. Mix controls the blend between dry signal and effect (up to 100% wet for attack-free ambiances), while Volume adjusts the overall output level to maintain volume balance in clean settings or to drive the input of an amp/effect downstream. The soft-touch footswitch ensures comfortable switching, with true bypass and minimal switch noise.

Sound character

The BL-52 stands out with a very "mutating space" feel: the repetition is not just an echo, it has a texture that evolves, like a blend of phase modulation and reverb-style diffusion. Depending on the Clock setting, you get either a clearer, more articulated repeat or a darker, vaporous sound that sits beneath the playing rather than strictly doubling it.

The dynamics remain expressive: by playing with attack and sustain, you can highlight punctual repeats or, conversely, feed a more enveloping trail. It's a pedal that loves open chords, slow melodic lines, arpeggios, but can also become very creative on short riffs when you're after a "moving" effect rather than a perfectly synchronized delay.

Technical specifications

Effects	Reverb, Delay, Phaser	Use	electric guitar
Format	Pedal	Color	White
Type	sector

Clock	adjusts overall temporal behavior (fast and faithful repeats or slower, darker, and diffuse)	Battery operation	no
Feedback	increases intensity and length of repeats	Dimensions	112 x 70 x 52 mm
Mix	blend of dry signal and effect (up to 100% wet)	Weight	229 g
Volume	overall output level	Power supply	not included
Input	6.35mm Jack (TS)	Consumption	110 mA
Output	6.35mm Jack (TS)	Required voltage	9V DC (center negative)
Required power	9V DC (center negative), 2.1mm plug