Theremin - 1920 / Leo Theremin
Known as electronic instruments, these are instruments in which sound is generated through electronic oscillators. The thereminvox (or aetherophone) was the first truly successful electronic instrument.
Theremin (1929)Philharmonie de Paris
Martenot Onde - 1921 / Maurice Marthenot
Maurice Martenot (1898–1980), is known for his invention and creation of one of the first electronic instruments, one year after the theremin: the Martenot Onde, which was named after him.
Ondes martenot (1930) by Maurice MartenotPhilharmonie de Paris
The Croix Sonore - 1932 / Nikolaj Obuhov
Even though just one was built, the Croix Sonore received prominent media attention in the 1930s. Designed in 1932 and based on the same principles as the theremin, it contributed to the fame of its creator, composer Nikolai Obuhov (1892–1954).
Sound Cross (1932/1933)Philharmonie de Paris
Organ - 1935 / Lawrens Hammond
This organ is equipped with an amplifier that uses a primitive form of additive synthesis: a set of pure tone generators tuned in harmonic series produces a basic timbre, the intensity of which can be adjusted for each harmonic.
Electronic organ model A (1935)Philharmonie de Paris
ER 20 acoustic speaker
Acoustic loudspeaker ER 20Philharmonie de Paris
Palme - 1947 / Maurice L. E. Martenot
Palme (1947)Philharmonie de Paris
Clavioline - 1954 / Constant Martin
The clavioline is designed to be attached under a keyboard. It is composed of two cases: one contains the tubes, the amplifier, and the speaker, which generates the sound. The other contains the keyboard (three and a half octaves) made up of wooden and ivory keys.
The Museum model has 18 push buttons to control timbre, octave choice, and attack, as well as two controls for vibrato speed and intensity.
Clavioline (1947)Philharmonie de Paris