It's best to use SSTC (solid Tesla) as the music Tesla coil, which makes music modulation easier.
If SSTC operates in CW (continuous arc mode), it needs a higher power circuit. In general, the compromise design is that the power supply circuit adopts arc extinguishing mode (intermittent operation). This SSTC is usually equipped with an arc extinguisher (the arc extinguisher is used to set the time and frequency of continuous operation of the power supply circuit, in short, how to continuously turn on and off the power supply ...).
At this time, if the waveform output by the arc extinguisher is audio-modulated and input into the drive circuit, the Tesla coil can play music.
The above is just the modulation method of arc extinguishing mode music. There are many kinds of music modulation in Tesla, such as power modulation (I have only tried the audio modulation of arc extinguishing, and I haven't tried others yet, so I'm not sure).
Play some video links of music Tesla.
/v_show/id_XMzMwNDA4NzQw.html Song Qianying
/v _ show/v _ show/id _ xmzmwnda2mjg0.htmllevel 5
These two are music Tesla coils with arc extinguishing and frequency modulation (because the work is discontinuous and the arc sonic boom is serious, only a few tones can be played). The background music of LEVEL5 is added later, and the initial noise is the noise of the cooling fan. ...
/v _ show/id _ xmtk 4 mty 5 ndey . html Song only my rail gun
This should be the power-modulated music Tesla (the E-level music Tesla made by the predecessors of this KC forum)