Lawrence Lile wrote:

> What you need is a good Electromagnetic Pulse, say of 10 or 20
> megajoules.  That would fry his Karaoke machine and pretty much
> everything else electronic in the general neighborhood.  : )  : )

  I think that's less than practical.  I prefer to consider the
possibilities of creative use of a welding transformer judiciously
applied to the respective fuse box.  IOW, boost the mains voltage to
180 or so for a few minutes.  Subtle.
--
  Cheers,
        Paul B.