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        The article(s) listed below are most recently published.
  • 2007: Two letters on the two-part series 'Sources 101', were published in AudioXpress, September 2007, pp. 56-60. Included along with this discussion is performance of enhanced circuit versions both in SPICE, and lab tests. Note: this reprint corrects some discrepancies.

    Two 'Sources 101' Letters, September 2007


  • 2007: 'Sources 101, Part Two', was published in AudioXpress, May 2007, pp. 8-17. This
    second article of two parts focuses on higher current/voltage, as well as higher precision of
    current source stages for audio circuits. This web version was prepared by the graphics
    department of Audio Amateur, Inc.

  • 2007: 'Sources 101, Part One', was published in AudioXpress, April 2007, pp. 10-23. This
    article, the first of two parts, focuses on basic operation of current source stages for audio
    circuits. This web version was prepared by the graphics department of Audio Amateur, Inc.
  • 2005: 'Those Long-Lost Hi-Fi Kits' was published in The Audiophile Voice, in Volume 10,
    issue 4. It is a nostalgic review of Walt's early days as a teenage kit builder in the 1950's,
    with some early history on kit vendors mixed in. Those Long-Lost Hi-Fi Kits


Lately Published Articles