The theremin is the only musical instrument that you play without touching! Invented in 1920 by the Russian inventor Leon Theremin, this is one of the earliest electronic instruments.
A full theremin has two antennae, one allows you to control the pitch of the note and the other the volume. This mini theremin only has one antenna, which allows you to control the pitch of the note. As you move your hand towards the antenna, the pitch of the note goes up, and as you move your hand away, the note gets lower. The slider on the left hand side of the machine has three positions; when it is pushed in fully, the theremin is off. In the mid position, the theremin plays quietly, and when it is pulled out fully, the theremin plays louder. There is a small jack socket at the back, which allows you to plug the theremin into another device, such as a small amplifier.
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