Detail 01
Grain Cloud, Grain Verb and Forward/Reverse Verb
The three modes respectively create evolving granular texture, dense granular reverb, or an interaction between forward and reverse reverb.
Product detailSKU #1500000486779
Walrus AudioLum Texture Engine Reverb Pedal - Black
dynamicambientpost rockshoegaze
1/4
Independent shopping perspective
The Korena take
Walrus Audio’s Lüm is a granular, textural reverb pedal that treats reverb as an active part of the performance. Grain Cloud builds shifting granular movement around notes, Grain Verb places those fragments inside denser washes, and Forward/Reverse Verb combines forward and reverse reverb behavior. The Moment switch can move one selected knob to a stored target while held, creating transitions without reaching for a control. Three presets, selectable bypass behavior and the 0.5x–2x Stretch engine make it useful for recalling and reshaping evolving ambient or glitch-focused textures.
Strong match
Who this is for
- Building shifting pads, granular trails and atmospheric sound-design parts during a performance.
- Moving between stored texture settings with fades for smoother live transitions.
- Creating abrupt rhythmic stops or allowing reverb to decay naturally through selectable bypass behavior.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Moment control
Holding the Moment switch automates one of five knobs toward a defined target setting.
Detail 03
Stretch engine: 0.5x–2x
It shifts sample rate across that range, affecting grain size, reverb decay and filter tone.
Detail 04
Three onboard presets
Red, Green and Blue presets store sounds and fade between settings.
Detail 05
Trails and Instant Cut bypass
Choose natural reverb decay or an abrupt stop when bypassing.
Detail 06
Ramp timing: 10 ms, 1000 ms or 5000 ms
Moment-control transitions can be set for immediate, medium or slow glides.
Final check
Know before you order
- 01The Moment switch automates one knob at a time toward its defined target.
- 02Bypass behavior is selectable between Trails and Instant Cut.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01How many presets can Lüm store?
It has three onboard presets: Red, Green and Blue.
02What does the Moment switch do?
When held, it automates one of the pedal’s five knobs toward a defined target setting.
03Can I choose whether the reverb trails off when bypassed?
Yes. Trails allows decay to continue, while Instant Cut stops it abruptly.
04What are the three reverb modes?
Grain Cloud, Grain Verb and Forward/Reverse Verb.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsSound
- Effect Type
- Granular and textural reverb
1 detailsPickups & controls
- Moment Control
- Automates one knob to a defined target
2 detailsBody & build
- Color
- Black
- Preset Colors
- Red, green and blue
10 detailsOther
- Stretch Engine
- 0.5x to 2x sample-rate shifting
- Product Type
- Reverb effects pedal
- Presets
- Three onboard presets
- Bypass Modes
- Trails and Instant Cut
- Series
- Minimal
- Ramp Timing
- 10 ms, 1000 ms and 5000 ms
- Model
- Lüm Texture Engine
- Mode 3
- Forward/Reverse Verb
- Mode 2
- Grain Verb
- Mode 1
- Grain Cloud
