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音頻功率放大器 - 维基百科,自由的百科全书
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class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="开关目录" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">开关目录</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">音頻功率放大器</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="前往另一种语言写成的文章。26种语言可用" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-26" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">26种语言</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/S%C9%99s_g%C3%BCcl%C9%99ndiricisi" title="Səs gücləndiricisi – 阿塞拜疆语" lang="az" hreflang="az" data-title="Səs gücləndiricisi" data-language-autonym="Azərbaycanca" data-language-local-name="阿塞拜疆语" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Amplificador_d%27%C3%A0udio" title="Amplificador d'àudio – 加泰罗尼亚语" lang="ca" hreflang="ca" data-title="Amplificador d'àudio" data-language-autonym="Català" data-language-local-name="加泰罗尼亚语" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Audio_effektforst%C3%A6rker" title="Audio effektforstærker – 丹麦语" lang="da" hreflang="da" data-title="Audio effektforstærker" data-language-autonym="Dansk" data-language-local-name="丹麦语" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Audioverst%C3%A4rker" title="Audioverstärker – 德语" lang="de" hreflang="de" data-title="Audioverstärker" data-language-autonym="Deutsch" data-language-local-name="德语" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Audio_power_amplifier" title="Audio power amplifier – 英语" lang="en" hreflang="en" data-title="Audio power amplifier" data-language-autonym="English" data-language-local-name="英语" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Amplificador_de_audio" title="Amplificador de audio – 西班牙语" lang="es" hreflang="es" data-title="Amplificador de audio" data-language-autonym="Español" data-language-local-name="西班牙语" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Heliv%C3%B5imendi" title="Helivõimendi – 爱沙尼亚语" lang="et" hreflang="et" data-title="Helivõimendi" data-language-autonym="Eesti" data-language-local-name="爱沙尼亚语" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D9%82%D9%88%DB%8C%D8%AA%E2%80%8C%DA%A9%D9%86%D9%86%D8%AF%D9%87_%D8%AA%D9%88%D8%A7%D9%86_%D8%B5%D9%88%D8%AA%DB%8C" title="تقویتکننده توان صوتی – 波斯语" lang="fa" hreflang="fa" data-title="تقویتکننده توان صوتی" data-language-autonym="فارسی" data-language-local-name="波斯语" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/P%C3%A4%C3%A4tevahvistin" title="Päätevahvistin – 芬兰语" lang="fi" hreflang="fi" data-title="Päätevahvistin" data-language-autonym="Suomi" data-language-local-name="芬兰语" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Amplificateur_audio" title="Amplificateur audio – 法语" lang="fr" hreflang="fr" data-title="Amplificateur audio" data-language-autonym="Français" data-language-local-name="法语" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Etapa_de_potencia" title="Etapa de potencia – 加利西亚语" lang="gl" hreflang="gl" data-title="Etapa de potencia" data-language-autonym="Galego" data-language-local-name="加利西亚语" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B6%E0%A5%8D%E0%A4%B0%E0%A4%B5%E0%A5%8D%E0%A4%AF_%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A7%E0%A4%95" title="श्रव्य प्रवर्धक – 印地语" lang="hi" hreflang="hi" data-title="श्रव्य प्रवर्धक" data-language-autonym="हिन्दी" data-language-local-name="印地语" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A2%E3%83%B3%E3%83%97_(%E9%9F%B3%E9%9F%BF%E6%A9%9F%E5%99%A8)" title="アンプ (音響機器) – 日语" lang="ja" hreflang="ja" data-title="アンプ (音響機器)" data-language-autonym="日本語" data-language-local-name="日语" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%B0%ED%94%84_(%EC%9D%8C%ED%96%A5%EA%B8%B0%EA%B8%B0)" title="앰프 (음향기기) – 韩语" lang="ko" hreflang="ko" data-title="앰프 (음향기기)" data-language-autonym="한국어" data-language-local-name="韩语" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Audioforsterkar" title="Audioforsterkar – 挪威尼诺斯克语" lang="nn" hreflang="nn" data-title="Audioforsterkar" data-language-autonym="Norsk nynorsk" data-language-local-name="挪威尼诺斯克语" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Wzmacniacz_elektroakustyczny" title="Wzmacniacz elektroakustyczny – 波兰语" lang="pl" hreflang="pl" data-title="Wzmacniacz elektroakustyczny" data-language-autonym="Polski" data-language-local-name="波兰语" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Amplificator_audio" title="Amplificator audio – 罗马尼亚语" lang="ro" hreflang="ro" data-title="Amplificator audio" data-language-autonym="Română" data-language-local-name="罗马尼亚语" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A3%D1%81%D0%B8%D0%BB%D0%B8%D1%82%D0%B5%D0%BB%D1%8C_%D0%BD%D0%B8%D0%B7%D0%BA%D0%BE%D0%B9_%D1%87%D0%B0%D1%81%D1%82%D0%BE%D1%82%D1%8B" title="Усилитель низкой частоты – 俄语" lang="ru" hreflang="ru" data-title="Усилитель низкой частоты" data-language-autonym="Русский" data-language-local-name="俄语" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Audio_poja%C4%8Diva%C4%8D" title="Audio pojačivač – 塞尔维亚-克罗地亚语" lang="sh" hreflang="sh" data-title="Audio pojačivač" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="塞尔维亚-克罗地亚语" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/N%C3%ADzkofrekven%C4%8Dn%C3%BD_zosil%C5%88ova%C4%8D" title="Nízkofrekvenčný zosilňovač – 斯洛伐克语" lang="sk" hreflang="sk" data-title="Nízkofrekvenčný zosilňovač" data-language-autonym="Slovenčina" data-language-local-name="斯洛伐克语" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Audio_poja%C4%8Dava%C4%8D" title="Audio pojačavač – 塞尔维亚语" lang="sr" hreflang="sr" data-title="Audio pojačavač" data-language-autonym="Српски / srpski" data-language-local-name="塞尔维亚语" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Slutsteg" title="Slutsteg – 瑞典语" lang="sv" hreflang="sv" data-title="Slutsteg" data-language-autonym="Svenska" data-language-local-name="瑞典语" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ses_g%C3%BCc%C3%BC_amplifikat%C3%B6r%C3%BC" title="Ses gücü amplifikatörü – 土耳其语" lang="tr" hreflang="tr" data-title="Ses gücü amplifikatörü" data-language-autonym="Türkçe" data-language-local-name="土耳其语" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%96%D0%B4%D1%81%D0%B8%D0%BB%D1%8E%D0%B2%D0%B0%D1%87_%D0%B7%D0%B2%D1%83%D0%BA%D0%BE%D0%B2%D0%B8%D1%85_%D1%87%D0%B0%D1%81%D1%82%D0%BE%D1%82" title="Підсилювач звукових частот – 乌克兰语" lang="uk" hreflang="uk" data-title="Підсилювач звукових частот" data-language-autonym="Українська" data-language-local-name="乌克兰语" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Khu%E1%BA%BFch_%C4%91%E1%BA%A1i_%C3%A2m_thanh" title="Khuếch đại âm thanh – 越南语" lang="vi" hreflang="vi" data-title="Khuếch đại âm thanh" data-language-autonym="Tiếng Việt" data-language-local-name="越南语" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%9F%B3%E9%9F%BF%E6%94%BE%E5%A4%A7%E5%99%A8" title="音響放大器 – 粤语" lang="yue" hreflang="yue" data-title="音響放大器" data-language-autonym="粵語" data-language-local-name="粤语" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q758907#sitelinks-wikipedia" title="编辑跨语言链接" class="wbc-editpage">编辑链接</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div 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id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">工具</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">隐藏</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="更多选项" > <div 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</div> </div> <div id="p-electronpdfservice-sidebar-portlet-heading" class="vector-menu mw-portlet mw-portlet-electronpdfservice-sidebar-portlet-heading" > <div class="vector-menu-heading"> 打印/导出 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="electron-print_pdf" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&action=show-download-screen"><span>下载为PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="javascript:print();" rel="alternate" title="本页面的可打印版本[p]" accesskey="p"><span>打印页面</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> 在其他项目中 </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Audio_amplifiers" hreflang="en"><span>维基共享资源</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q758907" title="链接到连接的数据仓库项目[g]" accesskey="g"><span>维基数据项目</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="页面工具"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="外观"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">外观</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">隐藏</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">维基百科,自由的百科全书</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="zh" dir="ltr"><figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Unitra_ws-503_arch1_(1).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/Unitra_ws-503_arch1_%281%29.jpg/250px-Unitra_ws-503_arch1_%281%29.jpg" decoding="async" width="250" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/be/Unitra_ws-503_arch1_%281%29.jpg/375px-Unitra_ws-503_arch1_%281%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/be/Unitra_ws-503_arch1_%281%29.jpg/500px-Unitra_ws-503_arch1_%281%29.jpg 2x" data-file-width="1400" data-file-height="934" /></a><figcaption><span class="ilh-all" data-orig-title="Unitra" data-lang-code="en" data-lang-name="英语" data-foreign-title="Unitra"><span class="ilh-page"><a href="/w/index.php?title=Unitra&action=edit&redlink=1" class="new" title="Unitra(页面不存在)">Unitra</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Unitra" class="extiw" title="en:Unitra"><span lang="en" dir="auto">Unitra</span></a></span>)</span></span>製造的立體效果音頻功率放大器</figcaption></figure> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:MissionCyrus1-2.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/MissionCyrus1-2.JPG/250px-MissionCyrus1-2.JPG" decoding="async" width="250" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f4/MissionCyrus1-2.JPG/375px-MissionCyrus1-2.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f4/MissionCyrus1-2.JPG/500px-MissionCyrus1-2.JPG 2x" data-file-width="1956" data-file-height="1309" /></a><figcaption>Mission Cyrus 1 Hi Fi整合式音頻放大器的內觀圖(1984年)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p><b>音频功率放大器</b>(英語:<span lang="en">audio power amplifier</span>),简称<b>功放</b>(<span lang="en">power amp</span>),是一種<a href="/wiki/%E7%94%B5%E5%AD%90%E6%94%BE%E5%A4%A7%E5%99%A8" class="mw-redirect" title="电子放大器">電子放大器</a>,可將低功率電子<span class="ilh-all" data-orig-title="音頻信號" data-lang-code="en" data-lang-name="英语" data-foreign-title="Audio signal"><span class="ilh-page"><a href="/w/index.php?title=%E9%9F%B3%E9%A0%BB%E4%BF%A1%E8%99%9F&action=edit&redlink=1" class="new" title="音頻信號(页面不存在)">音頻信號</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Audio_signal" class="extiw" title="en:Audio signal"><span lang="en" dir="auto">Audio signal</span></a></span>)</span></span>(例如來自<a href="/wiki/%E7%84%A1%E7%B7%9A%E9%9B%BB%E6%94%B6%E4%BF%A1%E6%A9%9F" class="mw-redirect" title="無線電收信機">無線電收信機</a>或電吉他<a href="/wiki/%E6%8B%BE%E9%9F%B3%E5%99%A8" title="拾音器">拾音器</a>的信號)放大到足以驅動<a href="/wiki/%E6%8F%9A%E8%81%B2%E5%99%A8" title="揚聲器">揚聲器</a>或<a href="/wiki/%E8%80%B3%E6%A9%9F" title="耳機">耳機</a>的水準。音頻功率放大器存在於各種音響系統中,包括<span class="ilh-all" data-orig-title="擴聲系統" data-lang-code="en" data-lang-name="英语" data-foreign-title="Sound reinforcement system"><span class="ilh-page"><a href="/w/index.php?title=%E6%93%B4%E8%81%B2%E7%B3%BB%E7%B5%B1&action=edit&redlink=1" class="new" title="擴聲系統(页面不存在)">場館擴聲</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Sound_reinforcement_system" class="extiw" title="en:Sound reinforcement system"><span lang="en" dir="auto">Sound reinforcement system</span></a></span>)</span></span>、<span class="ilh-all" data-orig-title="公共廣播系統" data-lang-code="en" data-lang-name="英语" data-foreign-title="Public address system"><span class="ilh-page"><a href="/w/index.php?title=%E5%85%AC%E5%85%B1%E5%BB%A3%E6%92%AD%E7%B3%BB%E7%B5%B1&action=edit&redlink=1" class="new" title="公共廣播系統(页面不存在)">公共廣播</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Public_address_system" class="extiw" title="en:Public address system"><span lang="en" dir="auto">Public address system</span></a></span>)</span></span>、<span class="ilh-all" data-orig-title="家庭音響" data-lang-code="en" data-lang-name="英语" data-foreign-title="Home audio"><span class="ilh-page"><a href="/w/index.php?title=%E5%AE%B6%E5%BA%AD%E9%9F%B3%E9%9F%BF&action=edit&redlink=1" class="new" title="家庭音響(页面不存在)">家庭音響</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Home_audio" class="extiw" title="en:Home audio"><span lang="en" dir="auto">Home audio</span></a></span>)</span></span>系統和<a href="/wiki/%E5%90%89%E4%BB%96%E6%94%BE%E5%A4%A7%E5%99%A8" class="mw-redirect" title="吉他放大器">吉他放大器</a>等<span class="ilh-all" data-orig-title="樂器放大器" data-lang-code="en" data-lang-name="英语" data-foreign-title="Instrument amplifier"><span class="ilh-page"><a href="/w/index.php?title=%E6%A8%82%E5%99%A8%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&redlink=1" class="new" title="樂器放大器(页面不存在)">樂器放大器</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Instrument_amplifier" class="extiw" title="en:Instrument amplifier"><span lang="en" dir="auto">Instrument amplifier</span></a></span>)</span></span>。在信號被發送到揚聲器之前,它是典型音頻播放鏈中的最後一個電子階段。 </p><p>音頻功率放大器的輸入信號(例如來自電吉他的信號)可能只有幾百<a href="/wiki/%E7%93%A6%E7%89%B9" title="瓦特">微瓦</a>,其輸出信號可能在小型消費電子設備(例如時鐘收音機)裡只有幾瓦,在家庭立體音響系統裡有幾十或幾百瓦,在<a href="/wiki/%E5%A4%9C%E7%B8%BD%E6%9C%83" title="夜總會">夜總會</a>的音響系統裡有幾千瓦,而在大型搖滾音樂會擴聲系統裡則需要到幾萬瓦。雖然音頻功率放大器有時會是獨立裝置,例如針對音響愛好者和擴聲系統專業人士的<a href="/wiki/%E9%AB%98%E5%82%B3%E7%9C%9F" class="mw-redirect" title="高傳真">高傳真</a>音響迷市場(利基市場),但大多數<a href="/wiki/%E6%B6%88%E8%B2%BB%E6%80%A7%E9%9B%BB%E5%AD%90" class="mw-redirect" title="消費性電子">消費性電子</a>音頻產品,如時鐘收音機、<a href="/wiki/%E6%89%8B%E6%8F%90%E9%9F%B3%E9%9F%BF" title="手提音響">手提音響</a>和<a href="/wiki/%E9%9B%BB%E8%A6%96" class="mw-redirect" title="電視">電視</a>等,功率相對較小,會將它併入產品中。 </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="歷史"><span id=".E6.AD.B7.E5.8F.B2"></span>歷史</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&section=1" title="编辑章节:歷史"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:First_Audion_amplifier_1914.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/First_Audion_amplifier_1914.jpg/130px-First_Audion_amplifier_1914.jpg" decoding="async" width="130" height="199" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/First_Audion_amplifier_1914.jpg/195px-First_Audion_amplifier_1914.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5e/First_Audion_amplifier_1914.jpg/260px-First_Audion_amplifier_1914.jpg 2x" data-file-width="1556" data-file-height="2383" /></a><figcaption>德富雷斯特的音頻放大器原型,1914年</figcaption></figure> <p>音頻放大器是由<a href="/wiki/%E6%9D%8E%C2%B7%E5%BE%B7%E5%AF%8C%E9%9B%B7%E6%96%AF%E7%89%B9" title="李·德富雷斯特">李·德富雷斯特</a>在1912年左右發明,肇因於他在1907年發明了第一個實用的放大電氣元件<a href="/wiki/%E7%9C%9F%E7%A9%BA%E7%AE%A1" title="真空管">三極真空管</a>,從而促成其事。<a href="/wiki/%E4%B8%89%E6%9E%81%E7%AE%A1_(%E7%9C%9F%E7%A9%BA%E7%AE%A1)" title="三极管 (真空管)">三極管</a>是一種三端元件,具有一個控制網格,可以調節從燈絲到板子的電子流。三極管真空管放大器被用來製造第一台<a href="/wiki/%E8%AA%BF%E5%B9%85%E5%BB%A3%E6%92%AD" title="調幅廣播">調幅收音機</a>。<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>早期的音頻功率放大器基於真空管,其中一些實現了非常高的音頻品質(例如1947至1949年的<span class="ilh-all" data-orig-title="威廉森放大器" data-lang-code="en" data-lang-name="英语" data-foreign-title="Williamson amplifier"><span class="ilh-page"><a href="/w/index.php?title=%E5%A8%81%E5%BB%89%E6%A3%AE%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&redlink=1" class="new" title="威廉森放大器(页面不存在)">威廉森放大器</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Williamson_amplifier" class="extiw" title="en:Williamson amplifier"><span lang="en" dir="auto">Williamson amplifier</span></a></span>)</span></span>)。 </p><p>隨著1960年代後期廉價<a href="/wiki/%E9%9B%BB%E6%99%B6%E9%AB%94" class="mw-redirect" title="電晶體">電晶體</a>的廣泛應用,基於電晶體的音頻功率放大器變得實用。自1970年代以來,大多數現代音頻放大器都基於<a href="/wiki/%E5%9B%BA%E6%85%8B%E9%9B%BB%E5%AD%90%E5%85%83%E4%BB%B6" class="mw-redirect" title="固態電子元件">固態</a>電晶體,尤其是<a href="/wiki/%E9%9B%99%E6%A5%B5%E6%80%A7%E6%8E%A5%E9%9D%A2%E5%9E%8B%E9%9B%BB%E6%99%B6%E9%AB%94" class="mw-redirect" title="雙極性接面型電晶體">雙極性接面型電晶體</a>(BJT)和<a href="/wiki/%E9%87%91%E5%B1%AC%E6%B0%A7%E5%8C%96%E7%89%A9%E5%8D%8A%E5%B0%8E%E9%AB%94%E5%A0%B4%E6%95%88%E9%9B%BB%E6%99%B6%E9%AB%94" title="金屬氧化物半導體場效電晶體">金屬氧化物半導體場效電晶體</a>(MOSFET)。與真空管放大器相比,基於電晶體的放大器重量更輕、更可靠而且需要的維護更少。 </p><p>MOSFET由<span class="ilh-all" data-orig-title="穆罕默德·阿塔拉" data-lang-code="en" data-lang-name="英语" data-foreign-title="Mohamed M. Atalla"><span class="ilh-page"><a href="/w/index.php?title=%E7%A9%86%E7%BD%95%E9%BB%98%E5%BE%B7%C2%B7%E9%98%BF%E5%A1%94%E6%8B%89&action=edit&redlink=1" class="new" title="穆罕默德·阿塔拉(页面不存在)">穆罕默德·阿塔拉</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Mohamed_M._Atalla" class="extiw" title="en:Mohamed M. Atalla"><span lang="en" dir="auto">Mohamed M. Atalla</span></a></span>)</span></span>和<span class="ilh-all" data-orig-title="姜大元" data-lang-code="en" data-lang-name="英语" data-foreign-title="Dawon Kahng"><span class="ilh-page"><a href="/w/index.php?title=%E5%A7%9C%E5%A4%A7%E5%85%83&action=edit&redlink=1" class="new" title="姜大元(页面不存在)">姜大元</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Dawon_Kahng" class="extiw" title="en:Dawon Kahng"><span lang="en" dir="auto">Dawon Kahng</span></a></span>)</span></span>於1959年在<a href="/wiki/%E8%B2%9D%E7%88%BE%E5%AF%A6%E9%A9%97%E5%AE%A4" class="mw-redirect" title="貝爾實驗室">貝爾實驗室</a>發明,<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>1974年由日本<a href="/wiki/%E6%9D%B1%E5%8C%97%E5%A4%A7%E5%AD%B8_(%E6%97%A5%E6%9C%AC)" class="mw-redirect" title="東北大學 (日本)">東北大學</a>的<a href="/wiki/%E8%A5%BF%E6%BE%A4%E6%BD%A4%E4%B8%80" title="西澤潤一">西澤潤一</a>改造為用於音頻的<a href="/wiki/%E5%8A%9F%E7%8E%87MOSFET" title="功率MOSFET">功率MOSFET</a>。<sup id="cite_ref-Duncan177_4-0" class="reference"><a href="#cite_note-Duncan177-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><a href="/wiki/%E5%B1%B1%E8%91%89_(%E4%BC%81%E6%A5%AD)" title="山葉 (企業)">山葉</a>很快就為他們的高傳真音頻放大器製造出功率MOSFET。<a href="/wiki/JVC" title="JVC">JVC</a>、<a href="/wiki/%E5%85%88%E9%8B%92%E5%85%AC%E5%8F%B8" class="mw-redirect" title="先鋒公司">先鋒公司</a>、<a href="/wiki/%E7%B4%A2%E5%B0%BC" title="索尼">索尼</a>和<a href="/wiki/%E6%9D%B1%E8%8A%9D" class="mw-redirect" title="東芝">東芝</a>也在1974年開始製造帶有功率MOSFET 的放大器。<sup id="cite_ref-Duncan177_4-1" class="reference"><a href="#cite_note-Duncan177-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>1977年,<a href="/wiki/%E6%97%A5%E7%AB%8B%E8%A3%BD%E4%BD%9C%E6%89%80" title="日立製作所">日立</a>推出了<a href="/wiki/LDMOS" class="mw-redirect" title="LDMOS">LDMOS</a>(橫向擴散MOS),一種功率MOSFET。日立是1977年至1983年間唯一的LDMOS製造商,在此期間,LDMOS被用於<span class="ilh-all" data-orig-title="HH電子" data-lang-code="en" data-lang-name="英语" data-foreign-title="HH Electronics"><span class="ilh-page"><a href="/w/index.php?title=HH%E9%9B%BB%E5%AD%90&action=edit&redlink=1" class="new" title="HH電子(页面不存在)">HH電子</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/HH_Electronics" class="extiw" title="en:HH Electronics"><span lang="en" dir="auto">HH Electronics</span></a></span>)</span></span>(V 系列)和<span class="ilh-all" data-orig-title="Ashly Audio" data-lang-code="en" data-lang-name="英语" data-foreign-title="Ashly Audio"><span class="ilh-page"><a href="/w/index.php?title=Ashly_Audio&action=edit&redlink=1" class="new" title="Ashly Audio(页面不存在)">Ashly Audio</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Ashly_Audio" class="extiw" title="en:Ashly Audio"><span lang="en" dir="auto">Ashly Audio</span></a></span>)</span></span>等製造商的音頻功率放大器,並用於音樂和<span class="ilh-all" data-orig-title="公共廣播系統" data-lang-code="en" data-lang-name="英语" data-foreign-title="Public address system"><span class="ilh-page"><a href="/w/index.php?title=%E5%85%AC%E5%85%B1%E5%BB%A3%E6%92%AD%E7%B3%BB%E7%B5%B1&action=edit&redlink=1" class="new" title="公共廣播系統(页面不存在)">公共廣播系統</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Public_address_system" class="extiw" title="en:Public address system"><span lang="en" dir="auto">Public address system</span></a></span>)</span></span>。<sup id="cite_ref-Duncan177_4-2" class="reference"><a href="#cite_note-Duncan177-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><a href="/wiki/D%E7%B1%BB%E6%94%BE%E5%A4%A7%E5%99%A8" title="D类放大器">D類放大器</a>在1980年代中期獲得成功,當時低成本、快速開關的MOSFET變得可用。<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>許多電晶體放大器在其功率部分使用MOSFET元件,因為它們的失真曲線更像真空管。<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>在2010年代,仍然有音頻愛好者、音樂家(尤其是<a href="/wiki/%E9%9B%BB%E5%90%89%E4%BB%96" class="mw-redirect" title="電吉他">電吉他</a>、<a href="/wiki/%E9%9B%BB%E8%B2%9D%E6%96%AF" title="電貝斯">電貝斯</a>、<span class="ilh-all" data-orig-title="哈蒙德風琴" data-lang-code="en" data-lang-name="英语" data-foreign-title="Hammond organ"><span class="ilh-page"><a href="/w/index.php?title=%E5%93%88%E8%92%99%E5%BE%B7%E9%A2%A8%E7%90%B4&action=edit&redlink=1" class="new" title="哈蒙德風琴(页面不存在)">哈蒙德電風琴</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Hammond_organ" class="extiw" title="en:Hammond organ"><span lang="en" dir="auto">Hammond organ</span></a></span>)</span></span>和<span class="ilh-all" data-orig-title="羅德斯鋼琴" data-lang-code="en" data-lang-name="英语" data-foreign-title="Rhodes piano"><span class="ilh-page"><a href="/w/index.php?title=%E7%BE%85%E5%BE%B7%E6%96%AF%E9%8B%BC%E7%90%B4&action=edit&redlink=1" class="new" title="羅德斯鋼琴(页面不存在)">羅德斯電鋼琴</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Rhodes_piano" class="extiw" title="en:Rhodes piano"><span lang="en" dir="auto">Rhodes piano</span></a></span>)</span></span>等樂器演奏者)、音頻工程師和<a href="/wiki/%E9%9F%B3%E6%A8%82%E8%A3%BD%E4%BD%9C%E4%BA%BA" title="音樂製作人">音樂製作人</a>更喜歡基於真空管的放大器,並且認為那是“溫暖的”<span class="ilh-all" data-orig-title="管聲" data-lang-code="en" data-lang-name="英语" data-foreign-title="Tube sound"><span class="ilh-page"><a href="/w/index.php?title=%E7%AE%A1%E8%81%B2&action=edit&redlink=1" class="new" title="管聲(页面不存在)">管聲</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Tube_sound" class="extiw" title="en:Tube sound"><span lang="en" dir="auto">Tube sound</span></a></span>)</span></span>。 </p> <div class="mw-heading mw-heading2"><h2 id="設計參數"><span id=".E8.A8.AD.E8.A8.88.E5.8F.83.E6.95.B8"></span>設計參數</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&section=2" title="编辑章节:設計參數"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>音頻功率放大器的關鍵設計參數是<a href="/wiki/%E9%A0%BB%E7%8E%87%E9%9F%BF%E6%87%89" class="mw-redirect" title="頻率響應">頻率響應</a>、<a href="/wiki/%E5%A2%9E%E7%9B%8A" title="增益">增益</a>、<a href="/wiki/%E5%99%AA%E8%81%B2" class="mw-redirect" title="噪聲">噪聲</a>和<a href="/wiki/%E5%A4%B1%E7%9C%9F" title="失真">失真</a>。這些是相互依存的;增加增益通常會導致噪聲和失真的不良增加。雖然<a href="/wiki/%E8%B4%9F%E5%8F%8D%E9%A6%88" title="负反馈">負反饋</a>實際上降低了增益,但它也減少了失真。大多數音頻放大器都是屬於<a href="/wiki/%E6%94%BE%E5%A4%A7%E5%99%A8%E9%9B%BB%E8%B7%AF#功率放大器類型" title="放大器電路">AB類</a>的線性放大器。 </p> <div class="mw-heading mw-heading2"><h2 id="應用"><span id=".E6.87.89.E7.94.A8"></span>應用</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&section=3" title="编辑章节:應用"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>重要應用包括<span class="ilh-all" data-orig-title="公共廣播系統" data-lang-code="en" data-lang-name="英语" data-foreign-title="Public address system"><span class="ilh-page"><a href="/w/index.php?title=%E5%85%AC%E5%85%B1%E5%BB%A3%E6%92%AD%E7%B3%BB%E7%B5%B1&action=edit&redlink=1" class="new" title="公共廣播系統(页面不存在)">公共廣播系統</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Public_address_system" class="extiw" title="en:Public address system"><span lang="en" dir="auto">Public address system</span></a></span>)</span></span>、劇院和音樂會<span class="ilh-all" data-orig-title="擴聲系統" data-lang-code="en" data-lang-name="英语" data-foreign-title="Sound reinforcement system"><span class="ilh-page"><a href="/w/index.php?title=%E6%93%B4%E8%81%B2%E7%B3%BB%E7%B5%B1&action=edit&redlink=1" class="new" title="擴聲系統(页面不存在)">擴聲系統</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Sound_reinforcement_system" class="extiw" title="en:Sound reinforcement system"><span lang="en" dir="auto">Sound reinforcement system</span></a></span>)</span></span>以及立體聲或<a href="/wiki/%E5%AE%B6%E5%BA%AD%E5%8A%87%E9%99%A2" title="家庭劇院">家庭劇院</a>等家用系統。包括<a href="/wiki/%E5%90%89%E4%BB%96%E6%94%BE%E5%A4%A7%E5%99%A8" class="mw-redirect" title="吉他放大器">吉他放大器</a>和<span class="ilh-all" data-orig-title="鍵盤放大器" data-lang-code="en" data-lang-name="英语" data-foreign-title="Keyboard amplifier"><span class="ilh-page"><a href="/w/index.php?title=%E9%8D%B5%E7%9B%A4%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&redlink=1" class="new" title="鍵盤放大器(页面不存在)">鍵盤放大器</a></span><span class="noprint ilh-comment">(<span class="ilh-lang">英语</span><span class="ilh-colon">:</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Keyboard_amplifier" class="extiw" title="en:Keyboard amplifier"><span lang="en" dir="auto">Keyboard amplifier</span></a></span>)</span></span>在內的樂器放大器也使用音頻功率放大器。 </p> <div class="mw-heading mw-heading2"><h2 id="相關條目"><span id=".E7.9B.B8.E9.97.9C.E6.A2.9D.E7.9B.AE"></span>相關條目</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&section=4" title="编辑章节:相關條目"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%E5%A0%B4%E6%95%88%E9%9B%BB%E6%99%B6%E9%AB%94%E6%94%BE%E5%A4%A7%E5%99%A8" class="mw-redirect" title="場效電晶體放大器">場效電晶體放大器</a>(FET放大器)</li> <li><a href="/wiki/%E6%8E%A8%E6%8C%BD%E8%BE%93%E5%87%BA" title="推挽输出">推輓輸出</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="參考文獻"><span id=".E5.8F.83.E8.80.83.E6.96.87.E7.8D.BB"></span>參考文獻</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&action=edit&section=5" title="编辑章节:參考文獻"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110424050529/http://www.cyrusaudio.com/product-archive/amps/1-integrated-amplifier-all-versions">1 – Integrated Amplifier (All Versions)</a>. <span class="reference-accessdate"> [<span class="nowrap">2011-01-16</span>]</span>. (<a rel="nofollow" class="external text" href="https://bestforacar.com/integrated-amplifier-all-versions/">原始内容</a>存档于2011-04-24).</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&rft.btitle=1+%E2%80%93+Integrated+Amplifier+%28All+Versions%29&rft.genre=unknown&rft_id=https%3A%2F%2Fbestforacar.com%2Fintegrated-amplifier-all-versions%2F&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span> Cyrus Audio: Product Archive: Cyrus One</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080705150057/http://nobelprize.org/educational_games/physics/transistor/history/">The Transistor in a Century of Electronics</a>. nobelprize.org</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><cite class="citation news"><a rel="nofollow" class="external text" href="https://www.electronicdesign.com/power/rethink-power-density-gan">Rethink Power Density with GaN</a>. <a href="/w/index.php?title=Electronic_Design&action=edit&redlink=1" class="new" title="Electronic Design(页面不存在)">Electronic Design</a>. 21 April 2017 <span class="reference-accessdate"> [<span class="nowrap">23 July</span> 2019]</span>. (原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20211123002216/https://www.electronicdesign.com/power/rethink-power-density-gan">存档</a>于2021-11-23).</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&rft.atitle=Rethink+Power+Density+with+GaN&rft.date=2017-04-21&rft.genre=article&rft.jtitle=Electronic+Design&rft_id=https%3A%2F%2Fwww.electronicdesign.com%2Fpower%2Frethink-power-density-gan&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Duncan177-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Duncan177_4-0"><sup><b>4.0</b></sup></a> <a href="#cite_ref-Duncan177_4-1"><sup><b>4.1</b></sup></a> <a href="#cite_ref-Duncan177_4-2"><sup><b>4.2</b></sup></a></span> <span class="reference-text"><cite class="citation book">Duncan, Ben. <a rel="nofollow" class="external text" href="https://cucdaycongsuat.com.vn/">High Performance Audio Power Amplifiers</a>. <a href="/wiki/Elsevier" class="mw-redirect" title="Elsevier">Elsevier</a>. 1996: <a rel="nofollow" class="external text" href="https://cucdaycongsuat.com.vn/">177–8, 406</a> <span class="reference-accessdate"> [<span class="nowrap">2023-02-08</span>]</span>. <a href="/wiki/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90/9780080508047" title="Special:网络书源/9780080508047"><span title="国际标准书号">ISBN</span> 9780080508047</a>. (原始内容<a rel="nofollow" class="external text" href="https://web.archive.org/web/20230602221300/https://cucdaycongsuat.com.vn/">存档</a>于2023-06-02).</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&rft.aufirst=Ben&rft.aulast=Duncan&rft.btitle=High+Performance+Audio+Power+Amplifiers&rft.date=1996&rft.genre=book&rft.isbn=9780080508047&rft.pages=177-8%2C+406&rft.pub=Elsevier&rft_id=https%3A%2F%2Fcucdaycongsuat.com.vn%2F&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><cite class="citation book">Duncan, Ben. High Performance Audio Power Amplifiers. Newnes. 1996: 147–148. <a href="/wiki/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90/9780750626293" title="Special:网络书源/9780750626293"><span title="国际标准书号">ISBN</span> 9780750626293</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&rft.aufirst=Ben&rft.aulast=Duncan&rft.btitle=High+Performance+Audio+Power+Amplifiers&rft.date=1996&rft.genre=book&rft.isbn=9780750626293&rft.pages=147-148&rft.pub=Newnes&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><cite class="citation book">Fliegler, Ritchie; Eiche, Jon F. <a rel="nofollow" class="external text" href="https://books.google.com/books?id=NgG8bmBayLwC&pg=PA19">Amps! The Other Half of Rock 'n' Roll</a>. <a href="/w/index.php?title=Hal_Leonard_Corporation&action=edit&redlink=1" class="new" title="Hal Leonard Corporation(页面不存在)">Hal Leonard Corporation</a>. 1993. <a href="/wiki/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90/9780793524112" title="Special:网络书源/9780793524112"><span title="国际标准书号">ISBN</span> 9780793524112</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E9%9F%B3%E9%A0%BB%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&rft.au=Eiche%2C+Jon+F.&rft.aufirst=Ritchie&rft.aulast=Fliegler&rft.btitle=Amps%21+The+Other+Half+of+Rock+%27n%27+Roll&rft.date=1993&rft.genre=book&rft.isbn=9780793524112&rft.pub=Hal+Leonard+Corporation&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DNgG8bmBayLwC%26pg%3DPA19&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐694cf4987f‐mqwh4 Cached time: 20241126081951 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.303 seconds Real time usage: 0.385 seconds Preprocessor visited node count: 1187/1000000 Post‐expand include size: 24984/2097152 bytes Template argument size: 856/2097152 bytes Highest expansion depth: 25/100 Expensive parser function count: 16/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 7473/5000000 bytes Lua time usage: 0.180/10.000 seconds Lua memory usage: 20378124/52428800 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 317.173 1 -total 41.83% 132.669 1 Template:Lang-en 23.89% 75.767 1 Template:Reflist 20.75% 65.813 18 Template:Link-en 14.07% 44.636 1 Template:Cite_web 9.38% 29.744 1 Template:Lang 8.60% 27.273 1 Template:Category_handler 5.17% 16.404 1 Template:Category_handler/numbered 4.66% 14.792 1 Template:Namespace_detect 4.46% 14.155 3 Template:Cite_book --> <!-- Saved in parser cache with key zhwiki:pcache:idhash:8273069-0!canonical!zh and timestamp 20241126081951 and revision id 83303537. 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