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Junior Varsity
Power amp upgrade
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<blockquote data-quote="Art Welter" data-source="post: 203762" data-attributes="member: 52"><p>Rob,</p><p></p><p>Although I get your general drift, lets not forget the third harmonic (odd order) of 1333 Hz is 4kHz, where normal ears are the most sensitive to SPL in general, and distortion is most objectionable. Sub-woofer distortion is usually predominantly even order, unless the drivers are oriented in a push-pull arrangement. Even order distortion is musically benign, it does not add any notes not present in the original composition.</p><p></p><p>Some of us are more sensitive to LF distortion, but most detect HF distortion, which often has more odd-order harmonics, more readily.</p><p></p><p>Art</p></blockquote><p></p>
[QUOTE="Art Welter, post: 203762, member: 52"] Rob, Although I get your general drift, lets not forget the third harmonic (odd order) of 1333 Hz is 4kHz, where normal ears are the most sensitive to SPL in general, and distortion is most objectionable. Sub-woofer distortion is usually predominantly even order, unless the drivers are oriented in a push-pull arrangement. Even order distortion is musically benign, it does not add any notes not present in the original composition. Some of us are more sensitive to LF distortion, but most detect HF distortion, which often has more odd-order harmonics, more readily. Art [/QUOTE]
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