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RE: Measurements vs. Reviewers

>To me it was preposterous to think that a microphone 6 to 12 inches from
>the front baffle of the loudspeaker and a computer program would correlate
>to what I hear in the listening room, let alone describe what the
>loudspeakers actually sound like to "me".

If you are referring the time I measured the Bozak Concert Grand speakers
at your home, Peter, I did measure the speaker's in-room sound (see fig.5
at the link below) in a grid centered on your listening position. This
type of measurement does correlate with a speaker's perceived tonal
balance.

Measurements taken with the microphone close to the radiator are termed
"nearfield" and are one way to assess a loudspeaker's low-frequency
behavior if you don't have access to an anechoic chamber. (See Don Keele's
classic 1973 AES paper on this technique.) A nearfield measurement is not
intended to give a result that describes how a loudspeaker sounds like
overall.

John Atkinson
Technical Editor, Stereophile

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