Hi

> It's worth noting the most important difference between the A100
> theremin system and a Moog Etherwave--the Moog, awesome as it is, has
> essentially one sound--a sine wave. With the theremin controller, you
> can in theory use it to control any sound the modular can make, and
> the modular can make a hell of a lot of sounds.

Good remark!

> I don't have the theremin module, though--Florian, how do you like it
> in terms of responsiveness

For me as a not trained person it is quite difficult to play a theremin
at all. The responsiveness is kind of exponential - big changes when
narrow (e.g 2 octaves at the last 5 centimeters); smaller changes at a
wider distance (one octave from 30 cm to 5 cm).
It does not matter whether it is a Doepfer A-178 or a Moog or what ever.
A Theremin is difficult to play; thats why I suggested a kind of CV
compression for the output voltage of the module.

> How susceptible is it to interference

This is stunningly no problem. I used a portable a-100 theremin system
for a live performance, walking through the streets. Had no problems at all.

The performance can be seen here:
http://www.weltklang-music.de/html/body_langenacht2004.html

There are some pics also of the system I used:
http://fa.utfs.org/diy/a100/

Florian