Original poster: "Eastern Voltage Research Corporation" <dhmccauley-at-easternvoltageresearch-dot-com> As if we didn't already have a SSTC, DRSSTC, PSSTC, ISSTC, MicroSSTC, MiniSSTC, and so forth . . . Coming Soon . . . The XSSTC Coil (Pronounced "ecstasy") The ultimate in audio modulation. Played with a 2-octave piano keyboard. Dan