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        <title>&lt;font size=4.97em&gt;&lt;b&gt;홈레코딩 위키&lt;/b&gt;&lt;/font&gt;</title>
        <description>by&amp;nbsp&lt;a href=&quot;https://riversidejazz.imweb.me&quot; target=&quot;_blank&quot;&gt;리버사이드 재즈 레이블&lt;/a&gt;</description>
        <link>https://wiki.homerecz.com/</link>
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       <dc:date>2026-05-04T12:40:34+00:00</dc:date>
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        <title><font size=4.97em><b>홈레코딩 위키</b></font></title>
        <link>https://wiki.homerecz.com/</link>
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        <dc:date>2026-05-01T15:33:56+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>그 밖의 변수들</title>
        <link>https://wiki.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/speaker/thiele_small/etc</link>
        <description>


&lt;h1 class=&quot;sectionedit1&quot; id=&quot;그_밖의_변수들&quot;&gt;그 밖의 변수들&lt;/h1&gt;
&lt;div class=&quot;level1&quot;&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;\uadf8 \ubc16\uc758 \ubcc0\uc218\ub4e4&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;\uadf8_\ubc16\uc758_\ubcc0\uc218\ub4e4&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:1,&amp;quot;range&amp;quot;:&amp;quot;20-54&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit2&quot; id=&quot;zmax&quot;&gt;Zmax&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;

&lt;p&gt;
드라이버 유닛의 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=공명 공진 레조넌스&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;공진&lt;/a&gt; &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=주파수&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;주파수&lt;/a&gt; 지점에서의 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=임피던스&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;임피던스&lt;/a&gt; 값.
&lt;/p&gt;

&lt;p&gt;
$$Z_{max} = R_e \left( 1 + \frac{Q_{ms}}{Q_{es}} \right)$$
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;Zmax&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;zmax&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:2,&amp;quot;range&amp;quot;:&amp;quot;55-207&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit3&quot; id=&quot;ebp&quot;&gt;EBP&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;

&lt;p&gt;
&lt;strong&gt;Efficiency Bandwidth Product&lt;/strong&gt;
&lt;/p&gt;

&lt;p&gt;
$EBP$가 100보다 크다면, 유닛 드라이버는 오픈형 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/speaker/enclosure&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:speaker:enclosure&quot; data-wiki-id=&quot;음향:speaker:enclosure&quot;&gt;인클로저&lt;/a&gt;에 사용하면 좋습니다. $EBP$가 50보다 작다면, 유닛 드라이버는 밀폐 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/%EC%9D%8C%ED%96%A5/speaker/enclosure&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;음향:speaker:enclosure&quot; data-wiki-id=&quot;음향:speaker:enclosure&quot;&gt;인클로저&lt;/a&gt;에 적합합니다. $50 &amp;lt; EBP &amp;lt; 100$ 이라면, 오픈형이나 밀폐형 중에서 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=이펙트 효과 FX 효과음&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;효과&lt;/a&gt;적인 것을 선택해야 합니다.
&lt;/p&gt;

&lt;p&gt;
$$EBP = \frac{f_s}{Q_{es}}$$
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;EBP&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;ebp&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:3,&amp;quot;range&amp;quot;:&amp;quot;208-595&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit4&quot; id=&quot;znom&quot;&gt;Znom&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;

&lt;p&gt;
&lt;strong&gt;Nominal Impedance&lt;/strong&gt;
&lt;/p&gt;

&lt;p&gt;
일반적으로 표기되는 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=스피커&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;스피커&lt;/a&gt;의 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=스펙&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;스펙&lt;/a&gt;상의 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=임피던스&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;임피던스&lt;/a&gt; 값
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;Znom&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;znom&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:4,&amp;quot;range&amp;quot;:&amp;quot;596-709&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit5&quot; id=&quot;vd&quot;&gt;Vd&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;

&lt;p&gt;
리터(L)로 표시됩니다. 콘의 이동으로 인한 부피로, 콘의 유효 면적($S_d$)에 $X_{max}$를 곱한 것입니다. 특정 값을 얻는 방법은 여러 가지가 있습니다. 예를 들어, 큰 $X_{max}$를 가진 작은 콘을 가지거나, 작은 $X_{max}$를 가진 큰 유효 면적을 가지는 등의 방법으로 가능합니다. $V_d$ 값을 비교하면 저주파에서 드라이버의 최대 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=출력 아웃 아웃풋&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;출력&lt;/a&gt;을 나타낼 수 있습니다. 
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;Vd&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;vd&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:5,&amp;quot;range&amp;quot;:&amp;quot;710-1187&amp;quot;} --&gt;
&lt;h2 class=&quot;sectionedit6&quot; id=&quot;η0&quot;&gt;η0&lt;/h2&gt;
&lt;div class=&quot;level2&quot;&gt;

&lt;p&gt;
&lt;strong&gt;&lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=레퍼런스 기준&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;레퍼런스&lt;/a&gt; 효율(%), 가용 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=전력 파워&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;전력&lt;/a&gt; 효율(%)&lt;/strong&gt;
&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=레퍼런스 기준&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;레퍼런스&lt;/a&gt; 효율은 퍼센트(%)로 표시됩니다. 제조사의 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=감도&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;감도&lt;/a&gt; 수치가 종종 과도하게 낙관적이기 때문에, 계산된 &lt;a href=&quot;https://wiki.homerecz.com/doku.php/start?do=showtag&amp;amp;tag=레퍼런스 기준&quot; class=&quot;wikilink1&quot; target=&quot;_blank&quot; title=&quot;start&quot; data-wiki-id=&quot;start&quot;&gt;레퍼런스&lt;/a&gt; 효율을 사용하여 드라이버를 비교하는 것이 종종 더 유용합니다.
&lt;/p&gt;

&lt;p&gt;
$$\eta_0 = \left( \frac{\rho \cdot Bl^2 \cdot S_d^2}{2\pi \cdot c \cdot M_{ms}^2 \cdot R_e} \right) \times 100\%$$
&lt;/p&gt;

&lt;p&gt;
$$\eta_0 = \left( \frac{4\pi^2 \cdot f_s^3 \cdot V_{as}}{c^3 \cdot Q_{es}} \right) \times 100\%$$
&lt;/p&gt;

&lt;/div&gt;
&lt;!-- EDIT{&amp;quot;target&amp;quot;:&amp;quot;section&amp;quot;,&amp;quot;name&amp;quot;:&amp;quot;\u03b70&amp;quot;,&amp;quot;hid&amp;quot;:&amp;quot;\u03b70&amp;quot;,&amp;quot;codeblockOffset&amp;quot;:0,&amp;quot;secid&amp;quot;:6,&amp;quot;range&amp;quot;:&amp;quot;1188-&amp;quot;} --&gt;</description>
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