Re: Audio modulated SSTCs

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: dhmccauley-at-spacecatlighting-dot-com 


The streamers are pretty small and typically are 5-6" at most using only
120VAC to the SSTC when drawn off with a grounded object.
The reason the streamers are small is because the coil is operating in CW
(continous) mode.  Typically, SSTCs are run at low duty cycles
which maximize peak output.  For example, most will half-rectify the AC
input to a SSTC and then chop this waveform at the resonant
frequency of the secondary resonator.  This chopped half-rectified waveform
creates high RF rise-times which lead to big and long arcs.

In audio modulation, you need a perfect DC input to the coil to yield high
quality and noise-free audio.  Because you are operating with DC, peak
voltage
levels are low, BUT AVERAGE POWER IS VERY VERY HIGH!!!!  The small arc is
merely in illusion to what the coil is actually putting out RF-wise.

The same goes with VTTC coils.  The arcs from CW operated audio modulated
VTTCs are also very small, but power output is HUGE!

Although the streamers look small, the audio volume is quite loud and two
audio modulated PlasmaSonic coils operating in a small room is very loud.
You can
run the SSTCs to the point where there is no visible arcs and still hear a
considerable amount of audio!

Dan



 > Hi,
 >
 > I found some videos of audio modulated SSTCs running on Dan McCauley's
 > website, but it was
 > difficult to tell how loud they are. From the video, the streamers looked
 > pretty small, but is
 > that just because the audio quality decreases at higher power? How loud
are
 > they?
 >
 > Thanks,
 >         Jimmy
 >
 > __________________________________
 >
 >
 >
 >
 >