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<blockquote data-quote="dipitydoo" data-source="post: 3049256" data-attributes="member: 567383">An RTA is a good tool to start with, because instruments can more accurately plot what&#039;s going on at all frequencies.&nbsp; This lets you narrow down major (or even minor) peaks/dips at various frequency ranges, some of which are difficult to notice by ear alone.&nbsp; In the end, final tuning by ear is preferred.&nbsp; A flat response on an RTA will almost always sound too plain for a daily system.&nbsp; A gentle downward hill type response is a good starting point.I believe the &#039;difference&#039; in loudness perception isn&#039;t as large on a frequency to frequency basis, but the &#039;sensitivity&#039; of the ear varies pretty dramatically based on frequency.&nbsp; A &#039;frequency response&#039; of the human ear might look somewhat like that of a component set of speakers - in the bass region, the ear gets less and less sensitive as the frequency goes down, hence a reason that a daily system might measure louder in the bass region vs. mid and high frequencies.&nbsp; Sensitivity will also drop at the top end of the frequency.</blockquote>

[QUOTE="dipitydoo, post: 3049256, member: 567383"] An RTA is a good tool to start with, because instruments can more accurately plot what's going on at all frequencies. This lets you narrow down major (or even minor) peaks/dips at various frequency ranges, some of which are difficult to notice by ear alone. In the end, final tuning by ear is preferred. A flat response on an RTA will almost always sound too plain for a daily system. A gentle downward hill type response is a good starting point. I believe the 'difference' in loudness perception isn't as large on a frequency to frequency basis, but the 'sensitivity' of the ear varies pretty dramatically based on frequency. A 'frequency response' of the human ear might look somewhat like that of a component set of speakers - in the bass region, the ear gets less and less sensitive as the frequency goes down, hence a reason that a daily system might measure louder in the bass region vs. mid and high frequencies. Sensitivity will also drop at the top end of the frequency. [/QUOTE]

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