The Walrus Audio Lüm Texture Engine is an immersive ambient effects pedal that blurs the boundaries between traditional reverb, granular processing, and experimental sound design. Drawing inspiration from Walrus Audio favorites like the Slö Reverb, Lore Reverse Reverb, and Fable Granular Soundscape Generator, Lüm fractures your signal into tiny audio grains and wraps them in lush, evolving reverbs to create dynamic textures that shift and morph with every note.

Featuring three distinct processing modes, Lüm can generate everything from subtle atmospheric movement to sprawling ambient landscapes. Grain Cloud mode introduces granular glitches sourced from a feedback delay line, Grain Verb embeds those textures directly into dense reverberant washes, and Forward/Reverse Verb creates an engaging interplay between conventional and reverse reverb algorithms. The Stretch Engine further expands sonic possibilities by globally manipulating sample rate from 0.5x to 2x speed.

Designed for performance and experimentation, Lüm includes Moment Control automation, onboard preset storage, selectable bypass behavior, and seamless preset transitions. Finished in Matte Black with exclusive artwork by Emily Ursä, Lüm delivers inspiring ambient textures in a compact pedalboard-friendly format.

Highlights

• Three unique granular and textural reverb modes
• Stretch Engine for global sample-rate manipulation
• Moment Control automation system
• Three onboard presets with seamless transitions
• Trails and Instant Cut bypass modes
• Exclusive Emily Ursä artwork
• Matte Black finish

Features Mode I – Grain Cloud

• Granular texture built from dual taps reading a feedback delay line
• Adjustable grain size and glitch frequency

Mode II – Grain Verb

• Granular reverb with grains embedded directly into reverberant textures
• Dense ambient washes with adjustable grain behavior

Mode III – Forward / Reverse Verb

• Forward reverb feeding a reverse reverb algorithm
• Adjustable interaction speed and reverse decay controls

Moment Control

• Automate any of the five primary controls
• Create expressive real-time parameter movement

Stretch Engine

• Global sample-rate adjustment from 0.5x to 2x speed
• Alters grain size, decay characteristics, and tonal response

Presets

• Store and recall up to three onboard presets
• Smooth transitions between saved sounds

Specifications

• Finish: Matte Black
• Bypass: Buffered
• Presets: 3 Onboard
• Input: 1/4" TS
• Output: 1/4" TS
• Input Impedance: 1M Ohm
• Output Impedance: 100 Ohm
• Power Requirement: 9V DC, 100mA Minimum
• Power Supply: Sold Separately
• Dimensions: 4.77" x 2.6" x 1.39"

Why Buy From Tone Shop Guitars?

At Tone Shop Guitars, we carefully curate innovative gear that inspires creativity and expands your sonic possibilities. Every pedal is inspected before it leaves our shop, and our experienced staff is always available to help you find the right tools for your rig. Whether you're building ambient soundscapes or exploring new textures, we're here to help you get the most from your gear.