The Doepfer A-178 is a theremin-style control voltage source for Eurorack systems. It generates a variable CV depending on your hand’s distance from the antenna—perfect for adding expressive, gestural modulation. A dedicated gate output is also available, triggered when the control voltage crosses a user-defined threshold.
Use one A-178 for pitch and a second for volume to fully emulate classic theremin performance techniques within your modular rig.
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Theremin-style CV generator for Eurorack
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Silver faceplate version
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Voltage responds to hand proximity to antenna
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Gate output with adjustable threshold
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Ideal for expressive, hands-free control
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Use two for complete theremin-style performance
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