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Look up onWalrus Audio Lüm Granular Textural Reverb — Limited Edition, one of only 600 units produced worldwide. Now discontinued and no longer available from Walrus Audio. The Lüm is a fusion of Walrus Audio's Slö, Lore, and Fable pedals into one experimental texture engine. Features 6 reverb modes including Grain Cloud, Grain Verb, and Forward/Reverse combinations. The global Stretch engine shifts sample rate from 0.5x to 2x for lo-fi warble to crystalline shimmer. 3 onboard presets with seamless crossfading. Controls: Decay, Filter, Mix, Stretch, X (mode-specific parameter) - Excellent condition, fully functional - Velcro on the back (see photos) - comes in original box - Ships fast with tracking

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