Old Blood Noise Endeavors BL-37 vs Walrus Audio Slöer Stereo Reverb
The Old Blood Noise Endeavors BL-37 and the Walrus Audio Slöer Stereo Reverb are both pedals sharing lush. The Old Blood Noise Endeavors BL-37 leans modulated. The Walrus Audio Slöer Stereo Reverb leans octave. Current prices: $179 vs $297.49.
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Blended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.49% — somewhat different
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Genres both listings are associated with.- Ambient
- Shoegaze
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Derived from overlapping tonal signals across both listings.- lush
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$179via Reverb
$297.49via Reverb
The Old Blood Noise Endeavors BL-37 Reverb is a variable-clock reverb in the brand's BL series, adding modulation at two points in the reverb trail to create a wandering, lush, ever-shifting ambience with a simplified control set. Its signature feature is the Clock slider, which moves the sound from a quick, bright, tile-bathroom echo to a dark, lo-fi, time-stretched reverb, giving immediate, tactile control over fidelity and character. The dual modulation keeps the tails moving and organic rather than static, making it well suited to ambient, shoegaze, and experimental playing where evolving texture matters more than a clean room sound. It rewards keeping a thumb on the slider to morph the reverb in real time, offering a distinctive, characterful take on modulated reverb.
The Walrus Audio Slö is a multi-texture ambient reverb from Walrus Audio (Oklahoma City, USA), delivering three reverb algorithms — Dark (adds a lower octave layer), Rise (ambient swell that blooms into the reverb), and Dream (a latching reverb pad that sustains) — with a Mod knob and expression pedal input for evolving ambient textures.
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Genres this gear is documented as being used in.- Experimental
- Post-Rock
- modulated
- octave
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Live
- Studio
- Worship
- Live
- Studio
- Worship