modules with different tubes?

[René Schmitz]

>For what it's worth, there were also many old organs that used several neon
>lamps in their divider circuits, instead of using tubes. It looks a bit odd
>to open an old organ and see all that light being generated deep inside the
>console. For a my final question, would it be possible to make an
>oscillator with neon lamps? I don't expect to make a nice 1V / Octave synth
>oscillator, but at least an oscillator of some sort?

Here is a neon VCO: http://www.uni-bonn.de/~uzs159/vtvco.html
It uses the 12AX7.

Bye, 
 René
-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159