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On 18 Aug 2003 05:25:41 GMT, (Nousaine) wrote:

(Stewart Pinkerton)
wrote:

A flat axial response is about as
useful for encompassing speaker sound, as THD is for amps.

Well you're wrong here. Flat axial response is a prerequisite but not
sufficient by itself to good sound. It is true that flatness and smoothness of
directivity is important too. And the ML models I've used are, in general,
quite deficient here as well.

Without reasonably flat axial response a speaker has little chance of having
smooth off-axial response in any direction. It is true that there are speakers
with good axial response but poor directivity.

Note that all the above comments can exactly be attributed to low THD
for an amplifier, which is a necessary *but insufficient* prerequisite
for good sound.

As far too many amps have in the past concentrated on low THD to the
detriment of other measures, so many bad-sounding speakers have been
designed for flat axial response, but with power response all over
the shop! At least we agree on this point... :-)
--

Stewart Pinkerton | Music is Art - Audio is Engineering