Measuring measurement gear

April 21, 2022
 by Paul McGowan

4 comments on “Measuring measurement gear”

  1. It is commonly known that harmonic distortions increase with output power (wattage) and frequency. It is also commonly known that every (base) tone played on an instrument is accompanied by a series of overtones. Thus there is a most convincing measurement concept finally displaying first, second third etc order of harmonic distortions for both parameters wattage and frequency. And now it should be clear for everybody that the planes (characteristic maps) for each order of harmonic distortions should never ever cross (meaning that the second order harmonic distortions should always be smaller than the first order etc.). There are only few fine vacuum tube amps which show non-crossing maps (non-crossing “carpets”) of harmonic distortions and which sound just jaw-dropping. But for creating these maps a huge number of measurements are to be performed – most time consuming and thus creating costs.

    1. Good afternoon paulsquirrel!
      I only know of one company that makes tube amps that totally get out of the way, and just let’s the music flow right on threw it without any unwanted sonic stuff.
      And that one is, Mcintosh.
      But what other tube amps made by other companies that can do the same thing?

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