Giorgio Necordi’s short report about the making of his transistor theremin.
After a long wait it’s time to come out and unveil the instrument based on my long time experiments with theremins. This is the theremin you can hear in the “theremin samples” section of the thereminvox.com library The entire instrument was completed during 2003 and revised many times during 2004 and 2005. What follows is a collection of specifications, images and mechanical details of the instruments.
|Musical range:||5 1/2 octaves – 3 octaves above middle C|
|Controls:||Pitch tuning, volume tuning,waveform, high tones cutoff, mute switch, power switch, power on led|
|Outputs||Audio, tuner/pitch preview|
|Power supply:||External – 11.50 Volt|
|Volume antenna:||standard loop antenna|
|Pitch antenna:||telescope rod antenna partially opened|
|Playing arc linearity enhancer:||Big air coil|
|Pitch oscillators frequency work:||210 KHz|
|Volume oscillator frequency work:||440 KHz|