Through a meeting of Electrotecnicians in 1920, he introduced the Termenvoksa or Heterophone, or Theremin, as it had been identified as internationally. These for the conference noticed a little box with two antennae, 1 on the right and a single within the remaining. Could it's a new kind of

Most often, the appropriate hand controls the pitch and also the still left controls the volume, Even though some performers reverse this arrangement. Some minimal-Expense theremins use a conventional, knob-operated volume Handle and possess only the pitch antenna.

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