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Date: August 08, 2003 at 08:20:28
From: Richard Greene, [frasier.ford.com]
Subject: That harmonic distortion reduction was not audible - one example


Back in 1994 I designed a dual 12" Audio Concepts DV12
push-pull sealed enclosure subwoofer for my living room. Both drivers were on the front baffle. For some reason the one exposed driver magnet/wires attracted kids and my cat who liked to play with the exposed wires for some reason. So I decided to reverse the driver facing in -- then both drivers
faced the same direction. If that change caused an increase in second order harmonic distortion, then it was not audible to me while listening to music ...
or even when playing low frequency sine waves.
My conclusion in 1994 was that reducing harmonic distortion makes no audible difference if you couldn't hear the harmonic disortion in the first place!


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