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In Reply to: RE: Yep posted by mmlrot1 on October 15, 2011 at 05:55:15
Apparently, Hill says he could develop a full-range plasma if he had the resources.
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It is true that the process by which Hill's Plasmatronic generates the plasma field does not directly produce ozone. However, the interaction of that plasma field with the surrounding air will produce ozone. I imagine there is a point at which the energy it takes to produce bass frequencies will also result in dangerous ozone levels. Then again, I'm certainly no expert. Plasma is the ultimate 360 degree transducer as well as the ultimate low mass transducer. I sure would love to hear a pair.
"Information is not knowledge.
Knowledge is not wisdom.
Wisdom is not truth.
Truth is not beauty.
Beauty is not love.
Love is not music.
Music is THE BEST." FZ
I wonder if it would be possible to filter and remove the ozone? After all, laser printers have ozone filters in them . . .
Allan Hills first plasma loudspeaker (prototype that was never sold) went considerably
lower in frequency, around 400 hz. Required considerably more power and also much
more helium. This was just too impractical (cost would have been much higher.
A speaker like this would be impossible to market today (way too many safety concerns; extremely
high temperature of electrodes, high voltage, not to mention the danger to the eyes; like
looking at a welding torch. The good old days are gone!
I like the lava lamp!
As cool as plasma technology is, I tend to think that the future belongs to true pistonic motion, feedback, and DSP. In principle, anyway, it should be possible to make a driver with inaudible distortion. I think also that we'll see matrices of drivers which are capable of reproducing the original sound field, perhaps integrated with a video display. Plasma technology doesn't lend itself to that.
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