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a-178 theremin control voltage source

price : $110.00

A-178 Theremin Control Voltage Source

theremin module for generating a variable control voltage by approaching/removing hand to/from an antenna. additionally the module is equipped with a gate output with adjustable threshold level. probably the module will also be available in a version with a separate case so that the antenna can be placed outside the a-100. controls/inputs/outputs: antenna input, offset (knob for zero adjust), 2 x cv out, 2 x led (for cv control positive/negative and zero offset adjust)

to simulate the original theremin two a-178, a vco (e.g. a-110) and a linear vca (e.g. a-130 or a-132) are required. but of course the a-178 can be used to control other functions in the a-100 (e.g. filter frequency, modulation depth and/or speed, tempo, attack/decay time and so on).

a similiar module using the illumination intensity instead of the distance between hand and antenna is the light-to-cv converter a-179.



applications:
controlling any voltage controlled parameter of the a-100, e.g. pitch or pulswidth (vco a-110), loudness (vca a-130/131/132), panorama (a-134), filter frequency or resonance (a-120/121/122/123), phasing (a-125), frequency shift (a-126), resonance peaks (a-127), envelope parameters (a-141/142), tempo (a-147), passive control by covering/shading the sensor via hand or body, active control by using pocket lamp/flashlight/laser.

triggering of a-100 activities via gate with adjustable threshold, e.g. starting an envelope (a-140/141/142), start/stop of a sequence (a-155), any switching function (a-150/151).

conversion into midi control change messages is possible with the a-192.



this module has a maximum current draw of 50ma. it requires 8 te/hp worth of space to fit in a eurorack frame.

to view this module's user manual as a pdf file, please click here.

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