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XAOC Devices Koszalin - 1964 Stereo Voltage Controlled Frequency ShifterCondition: Excellent / Studio Use Only Includes: Original Box, Power Ribbon Cable, and Mounting ScrewsProduct OverviewThe XAOC Devices Koszalin is a high-fidelity stereo frequency shifter that brings otherworldly, atonal, and "barber-pole" effects to your Eurorack system. Unlike a standard pitch shifter, Koszalin shifts the frequency spectrum linearly, resulting in rich, dissonant timbres that are perfect for sound design, metallic textures, and evolving stereo soundscapes.Key FeaturesTrue Stereo Operation: 2 Inputs and 4 Outputs (Dual Shift-Up and Dual Shift-Down) for massive, swirling spatial effects.Three Range Modes: Precision control across three scales: x1 (50Hz), x10 (500Hz), and x100 (5kHz).Through-Zero FM (TZFM): Features a dedicated linear Thru-Zero FM input for musical, controlled modulations, alongside a classic Exponential FM input for wilder tonal shifts.Voltage Controlled Feedback: Deep control over Regen and Density parameters, allowing for resonant comb-filtering and classic frequency shifter "bubbles."Feedback Routing: A 3-way switch allows you to route feedback from the Up-shifted pair, Down-shifted pair, or a combination of both for complex internal patching.Digital Soul, Analog Feel: High-quality DSP backend with an intuitive, one-knob-per-function analog interface.Technical SpecsWidth: 10HPDepth: 43mm (Skiff Friendly)Power Consumption: +140mA (+12V), -30mA (-12V)