left is my audio wave shape of about 440 hz taken from the
Altermen line level
Notice how similar to Andrew
Baron's RCA wave shape. The top flattened part of the
wave I call the skew and this is adjustable. It creates the
brightness & changing timbre.
The bottom of the sine wave
is broad and this is what creates the second harmonic for a fuller
or fat sound.
I believe the
above RCA graphic wave bottom is clipped and this gives the RCA
theremin the buzzy sound on
the low end. My osc design uses a pentode, how would you
get it to clip the bottom of the wave form? My first guess is to
increase the grid negative bias by increasing the cathode
Next is my RF
blend sampled at the positive side of the single D2 detector diode
using a 10:1 probe.
Modulation, one engineer at TW would get upset when I mentioned
RF because he could not grasp that RF has a place in theremin
design. It did not fit into his fantasy models causing him anxiety.
byte is raw, no reverb, the theremin out is direct to sound card.
This has character, more than a plain digital whistle buried in
reverb which you can get from a keyboard. Unfortunately there is a
movement for profit to make people forget that the old authentic
theremins were able to sound like something unusually beautiful.
Hopefully your interest in theremins is more reflective of the dream of Lev Sergeyevich Termen.
Passion.wav 2 meg
wav 1.8 meg
First sample using the single tube method,
surprisingly this approach came
to mind just a month ago. The beginning of Nov 2014. It has