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<blockquote data-quote="newusername" data-source="post: 5207047" data-attributes="member: 562064">An ideal system will be within +/- 1 dB for an equal amplitude input signal across all frequencies within, at the very least, the audible bandwidth.&nbsp; As the amplitude increases (which, again, will be the same amplitude at all frequencies), then the pressure at all frequencies should still be within +/- 1 dB.&nbsp; Keep in mind that we aren&#039;t only talking about axial response, but power response is critical as well, particularly when crossing from one driver to another.This does not mean that all sounds in all recordings will be +/- 1 dB.&nbsp; They will vary as the original performance did.Note that I am using the term linearity in the traditional audio context, ie. referring to harmonic and inter-modulation distortion.&nbsp; There is a fairly strong function between low HD, IMD and flat response.&nbsp; More minor affects are seen in cone and surround geometry and material, as well as thermal compression.</blockquote>

[QUOTE="newusername, post: 5207047, member: 562064"] An ideal system will be within +/- 1 dB for an equal amplitude input signal across all frequencies within, at the very least, the audible bandwidth. As the amplitude increases (which, again, will be the same amplitude at all frequencies), then the pressure at all frequencies should still be within +/- 1 dB. Keep in mind that we aren't only talking about axial response, but power response is critical as well, particularly when crossing from one driver to another. This does not mean that all sounds in all recordings will be +/- 1 dB. They will vary as the original performance did. Note that I am using the term linearity in the traditional audio context, ie. referring to harmonic and inter-modulation distortion. There is a fairly strong function between low HD, IMD and flat response. More minor affects are seen in cone and surround geometry and material, as well as thermal compression. [/QUOTE]

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