An interesting plasma speaker using a Tesla coil

Bob Bruhns bbruhns at
Mon Mar 26 10:35:19 CDT 2007

I did something similar at a radio station back in 1967. I jammed a wad of steel woll into the arc gap at the base of the main
tower. The steel wool caught fire, and I could hear the station audio in the arc. But one of the engineers drove up, because the
station had suddenly started splattering the whole broadcast band! I was SUPPOSED to be digging up ground radials for
maintenance, so I got back to that.

  Bob, WA3WDR

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