The instrument features a portamento similar to that of the Theremin (Thereminvox), for which it is named; unlike the Theremin, the Electro-Theremin uses mechanical controls rather than hand movement in space to control pitch and amplitude.
The instrument features a tone and portamento similar to that of the Theremin (Thereminvox), for which it is named. Unlike the Theremin, the Electro-Theremin uses mechanical controls rather than hand movement in space to control pitch and amplitude.