Instruments

Lucy Rosen’s 1940’s Theremin Notebook

Lucie Rosen Custom Theremin

The document below was found by John Snyder during his Caramoor research many years ago. Lucy Rosen owned that country estate, and maintained two custom theremins made for her by Professor Theremin. The typewritten photocopies John rescued were apparently originally transcribed from shorthand notes. The document contains numerous grammatical errors. I edited here and there […]

Theremin Cello is back. An interview with Olivia Mattis

Theremincello Orchestra.

An interview with musicologist Olivia Mattis about the return of the Theremin Cello. In his continual quest for instruments for his “organized sound“, Edgard Varèse experimented with different kinds of musical and non-musical devices. Since he believed in a strict collaboration between composers and scientists, he also approached various scientists and inventors like Luigi Russolo […]

RCA Theremin Service Notes

The RCA Victor Theremin

Preface The RCA Theremin is an electrical musical instrument played by the free movement of the hands in space. The actual production of sound is accomplished by means of a loudspeaker which must be connected to the RCA Theremin. The loudspeaker may be located close to the Theremin or at any convenient distance as required. […]

The RCA theremin – 2 – The Pitch Control System

The RCA Victor Theremin

The construction and operation of the RCA theremin pitch control circuit. This installment deals with the construction and operation of the RCA theremin pitch control circuit. The heart of the system is a large “pitch control resonant coil” (PCRC). The PCRC is the tall coil mounted the left side seen when looking into the back […]

The RCA Theremin – 1

The RCA Victor Theremin

Part 1 of a technical essay about the RCA theremin by Reid Welch. This is the first of several installments about the RCA theremin. Our goal is to promulgate enough data to enable the skilled amateur to build an RCA equivalent, and to make the circuit less mysterious to the non-technical person. Discussion and corrections […]