Walrus Audio Lüm combines elements of three pedals (Slö, Lore, & Fable) into a new, limited-edition granular textural reverb pedal.
Granular synthesis in synthesizers and pedals is a very hot topic right now. Just yesterday, I reported on the Dobbo granular pedal from the new Belgian company Butterfly Effects. Now, there is another new one.
Walrus Audio has unveiled Lüm, a new, unique, limited-edition pedal that combines elements from three previous pedals in a new granular textural reverb pedal.
Walrus Audio Lum
Lüm is described as a limited edition experiment with elements of three famous Walrus Audio pedals. More precisely, it incorporates bits and bytes from the Walrus Audio Slö Reverb, Lore Reverse Reverb, and Fable Granular Generator.
It essentially combines the granular and textural reverb elements of the three pedals into a new, unique, and inspiring mono pedal. It has a very basic I/O setup with a mono input and output.
The Lüm pedal offers three distinct modes, turning any instrument into lush, shifting textures.
Grain Cloud offers dual granular taps that take its energy from a feedback delay line. X knob sets the grain size, or how frequently you’ll hear the “glitches” happen.
Grain Verb is an algorithm with dual granular taps reading from the delay memory of a reverb algorithm tank. According to Walrus Audio, the latter sounds like grains took a bath in reverb.
Similar to the first setting, X controls the grain size, or how often you’ll hear the lovely granular glitches. Mode 3 is a forward-reverse verb taken from the Lore pedal and is a forward reverb algorithm running into a reverse reverb algorithm.
Use the stretch knob to manipulate the rhythmic interaction between the two reverbs, and the X controls the reverse reverb decay.
I have already tested this Lüm algorithm myself in the Walrus Audio Lore pedal and created fascinating, unusual ghost and horror-like reverbs and textures. Each mode also has a built-in tweakable filter, decay, and dry/wet mix parameter.
More Features
Alongside the three distinct algorithms, you have a stretch engine that globally shifts the sample rate from 0.5x to 2x speed. Dial in the parameter, and you can achieve different behaviors and tones in the granular and reverb engine.
Then, it has a momentary control, allowing you to automate any one of the five knobs by holding the moment switch. With this, you can expressively play the engines also without touching the knobs.
There is also a ramp function with an adjustable glide between 10ms, 1000ms, and 5000ms. Plus, you can work with two bypass modes: trails for natural decay or instant cut.
All the settings can be saved in three recallable onboard presets (red, green, and blue). I like that the pedal doesn’t abruptly switch from one effect to the next when changing presets, but rather crossfades smoothly to the next. This, in turn, can be used very creatively.
And here are my individual videos from the Slö and Lore pedals.
First Impression
Lüm looks like a very fun granular reverb pedal. If you can’t decide between Slö, Lore, and Fable, you get the best of all three in one pedal.
Walrus Audio LUM is available now for $279,99/299€
More information here: Walrus Audio
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