{"id":583,"date":"2020-10-12T17:05:34","date_gmt":"2020-10-12T09:05:34","guid":{"rendered":"https:\/\/soundbody-audio.com\/?p=583"},"modified":"2021-03-26T19:17:04","modified_gmt":"2021-03-26T11:17:04","slug":"%e6%95%b8%e4%bd%8d%e6%9e%b6%e6%a7%8b%e9%a1%9b%e8%a6%86%e5%82%b3%e7%b5%b1%e6%80%9d%e7%b6%ad-%e7%84%a1%e7%b7%9a%e6%93%b4%e5%a4%a7%e6%a9%9f-tgba-sb2","status":"publish","type":"post","link":"https:\/\/soundbody-audio.com\/%e6%95%b8%e4%bd%8d%e6%9e%b6%e6%a7%8b%e9%a1%9b%e8%a6%86%e5%82%b3%e7%b5%b1%e6%80%9d%e7%b6%ad-%e7%84%a1%e7%b7%9a%e6%93%b4%e5%a4%a7%e6%a9%9f-tgba-sb2\/","title":{"rendered":"<\u77e5\u8b58\u5bb6> \u641e\u61c2\u64f4\u5927\u6a5f\u539f\u7406           \u63a8\u51fa\u6700\u611b\u7684\u6548\u679c\uff0c\u63da\u8072\u5668\u6700\u5f37\u5927\u7684\u5f8c\u76fe"},"content":{"rendered":"\n<p>\u64b0\u6587\/\u73ca\u8fea\u00a0 \u4fee\u8a02\/\u66f8\u4e16\u8c6a<\/p>\n<p><em><span style=\"color: #800000;\"><strong>\u300c\u9019\u500b\u63a8\u4e0d\u52d5\uff0c\u4f60\u8981\u7528\u529f\u7387\u5927\u4e00\u9ede\u7684\u64f4\u5927\u6a5f\u63a8\u3002\u300d<\/strong> \u5728\u8ac7\u8ad6\u97f3\u97ff\u6642\uff0c\u5e38\u6703\u807d\u898b\u767c\u71d2\u53cb\u5011\u8ac7\u8ad6\u985e\u4f3c\u4ee5\u4e0a\u7684\u5167\u5bb9\u3002 \u5728\u97f3\u97ff\u7cfb\u7d71\u4e2d\uff0c\u9019\u500b\u88ab\u7a31\u70ba\u300c\u64f4\u5927\u6a5f\u300d\uff08Amplifier\uff09<\/span><\/em><em><span style=\"color: #800000;\">\u7684\u90e8\u4ef6\uff0c \u7a76\u7adf\u662f\u4ec0\u9ebc\uff1f\u53c8\u6709\u4ec0\u9ebc\u529f\u7528\u5462\uff1f<\/span><\/em><em><span style=\"color: #800000;\">\u5c31\u8b93\u6211\u5011\u4e00\u6b65\u6b65\u5730\u63ed\u958b\u300c\u64f4\u5927\u6a5f\u300d\u7684\u795e\u79d8\u9762\u7d17\u3002<\/span><\/em><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0\u4e8b\u5be6\u4e0a\uff0c\u6240\u6709\u7684\u63da\u8072\u5668\u90fd\u9700\u8981\u64f4\u5927\u6a5f\u7684\u63a8\u52d5\uff0c\u300a\u97f3\u97ff\u5165\u9580\u8a8c\u300b\u7b2c\u4e00\u671f\u6240\u9644\u8d08\u7684\u300c\u4e09\u540b\u5168\u97f3\u57df\u63da\u8072\u5668\u300d\u8207\u672c\u671f\u7684\u300c\u7121\u7dda\u64f4\u5927\u6a5f\u300d\u5c31\u50cf\u96d9\u80de\u80ce\u4e00\u6a23\uff0c\u4e0d\u80fd\u5206\u96e2\uff1b\u53e6\u5916\uff0c\u5982\u96fb\u8166\u5587\u53ed\u7b49\u7684\u300c\u4e3b\u52d5\u5f0f\u63da\u8072\u5668\u300d\u5247\u5df2\u7d93\u5167\u5efa\u300c\u64f4 \u5927\u6a5f\u300d\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u5916\u63a5\u3002<\/p>\n<p>\u00a0 \u00a0 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\u00a0\u7c21\u55ae\u4f86\u8aaa\uff0c\u5728\u97f3\u97ff\u7cfb\u7d71\u4e2d\uff0c\u64f4\u5927\u6a5f\u7336\u5982\u63da\u8072\u5668\u8207\u5176\u4ed6\u7cfb\u7d71\u4e4b\u9593\u7684\u6a4b\u6a11\uff0c\u5176\u4e3b\u8981\u529f\u80fd\u662f\u5c07\u5f9e\u9ed1\u81a0\u5531\u76e4\u3001CD \u5531\u76e4\u3001\u6536\u97f3\u6a5f\u3001\u624b\u6a5f\u3001\u96fb\u8166\u7b49\u6240\u63a5\u6536\u5230\u7684\u5fae\u5f31\u97f3\u6e90\u8a0a\u865f\u52a0\u4ee5\u653e\u5927\uff0c\u4ee5\u7372\u5f97\u8db3\u5920\u7684\u529f\u7387\u53bb\u63a8\u52d5\u63da\u8072\u5668\u767c\u8072\u3002 \u6240\u8b02\u7684\u300c\u653e\u5927\u300d\uff0c\u662f\u7d93\u7531\u653e\u5927\u5143\u4ef6\u6a21\u4eff\u51fa\u548c\u539f\u672c\u8a0a\u865f\u9577\u5f97\u5f88\u50cf\uff0c\u537b\u5177\u6709\u66f4\u5927\u7684\u96fb\u58d3\uff0c\u6216\u662f\u66f4\u9ad8\u7684\u96fb\u6d41\u91cf\u7684\u65b0\u8a0a\u865f\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u56e0\u6b64\uff0c\u4e00\u500b\u64f4\u5927\u6a5f\u7684\u6210\u529f\u8207\u5426\u53d6\u6c7a\u65bc\u300c\u6a21\u4eff\u8a0a\u865f\u300d\u7684\u529f\u529b\uff0c\u5982\u679c\u529f\u529b\u597d\u7684\u7a31\u70ba\u300c\u7dda\u6027\u8868\u73fe\u4f73\u300d\uff0c\u53cd\u4e4b\u5247\u662f\u300c\u7dda\u6027\u8868\u73fe\u5dee\u300d\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u5728\u9078\u8cfc\u64f4\u5927\u6a5f\u524d\uff0c\u7a76\u7adf\u662f\u8981\u9078\u64c7\u771f\u7a7a\u7ba1\u64f4\u5927\u6a5f\u9084\u662f\u6676\u9ad4\u64f4\u5927\u6a5f\uff1f A \u985e\u3001AB \u985e\u9084\u662f D \u985e\uff1f\u7433\u7405\u6eff\u76ee\u7684\u5206\u985e\uff0c\u53c8\u6709\u4f55\u5dee\u5225\u5462\uff1f\u9078\u8cfc\u64f4\u5927\u6a5f\u524d\u60f3\u5fc5\u90fd\u66fe\u7d93\u70ba\u6b64\u56f0\u64fe\u904e\u5427\uff1f\u4ee5\u4e0b\u5c07\u500b\u5225\u6574\u7406\u51fa\u4e0d\u540c\u5206\u985e\u7684\u64f4\u5927\u6a5f\uff0c\u6709\u4e86\u57fa\u672c\u67b6\u69cb\u7684\u77ad\u89e3\u4e4b\u5f8c\uff0c\u5c46\u6642\u624d\u80fd\u6311\u9078\u51fa\u6700\u9069\u5408\u81ea\u5df1\u7684\u64f4\u5927\u6a5f\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u64f4\u5927\u6a5f\u4f9d\u4f7f\u7528\u653e\u5927\u5143\u4ef6\u7684\u4e0d\u540c\uff0c\u5206\u70ba\u771f\u7a7a\u7ba1\u64f4\u5927\u6a5f(\u4ee5\u4e0b\u7c21\u7a31\u70ba\u300c\u7ba1 \u6a5f\u300d)\u8207\u6676\u9ad4\u64f4\u5927\u6a5f\uff08\u4ee5\u4e0b\u7c21\u7a31\u70ba\u300c\u6676\u9ad4\u6a5f\u300d\uff09\uff1b\u5176\u4e2d\uff0c\u518d\u4f9d\u529f\u80fd\u4e0d\u540c \u5206\u70ba\u524d\u7d1a\u3001\u5f8c\u7d1a\u6216\u7d9c\u5408\u64f4\u5927\u6a5f\uff0c\u4e00\u500b\u5b8c\u6574\u7684\u7cfb\u7d71\u901a\u5e38\u540c\u6642\u5177\u5099\u524d\u7d1a\u8207\u5f8c\u7d1a\uff0c\u4e26\u4e14\u53ef\u4ee5\u5206\u958b\u8cfc\u8cb7\u3001\u6216\u8005\u76f4\u63a5\u9078\u8cfc\u64c1\u6709\u524d\u5f8c\u7d1a\u529f\u80fd\u7684\u7d9c\u5408\u64f4\u5927\u6a5f\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u6700\u5f8c\uff0c\u6839\u64da\u5de5\u4f5c\u539f\u7406\u4e0d\u540c\uff0c\u518d\u7d30\u5206\u70ba A \u985e\u3001B \u985e\u3001AB \u985e\u3001D \u985e\uff0c\u4f46\u524d\u7d1a\u5982\u6b64\u5206\u985e\u4e26\u4e0d\u5e38\u898b\uff0c\u4ee5\u4e0b\u53ea\u91dd\u5c0d\u5f8c\u7d1a\u505a\u8aaa\u660e\u3002<\/p>\n<div class=\"row\"  id=\"row-244069893\">\n\n\n\t<div id=\"col-1068959689\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\" style=\"background-color:rgb(238, 240, 255);\" >\n\t\t\t\n\t\t\t\n\n<h3><span style=\"background-color: #666699; color: #ffffff;\">\u00a0\u5c0f\u5c0f\u77e5\u8b58\u5bb6\uff1aC \u985e\u653e\u5927\u5668\u00a0\u00a0<\/span><\/h3>\n<p>\u5e38\u7a31\u70ba\u300c\u9ad8\u529f\u7387\u5c04\u983b\u300d\uff08RF\uff0cRadio Frequency\uff09\u653e\u5927\u5668\uff0c\u8207 A \u985e\u3001 B \u985e\u3001AB \u985e\u653e\u5927\u539f\u7406\u4e0d\u540c\uff0c\u4f7f\u7528\u975e\u7dda\u6027\u96fb\u8def\u653e\u5927\uff0c\u4e26\u4f7f\u7528\u65bc\u96fb\u53f0\u5ee3\u64ad\u7b49\u7cfb\u7d71\uff0c\u8207\u97f3\u97ff\u7cfb\u7d71\u7684\u97f3\u983b\u61c9\u7528\u6709\u6240\u4e0d\u540c\uff0c\u56e0\u6b64\u6c92\u6709\u88ab\u6b78\u985e\u65bc\u672c\u671f\u64f4\u5927\u6a5f\u5206\u985e\u4ecb\u7d39\u3002<\/p>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1068959689 > .col-inner {\n  padding: 12px 21px 5px 26px;\n  margin: 0px 8px 0px 0px;\n  border-radius: 12px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n<h1>\u00a0<\/h1>\n<blockquote>\n<h1><strong><span style=\"color: #333399;\">\u5de5\u4f5c\u7279\u6027<\/span><\/strong><\/h1>\n<h1><strong><span style=\"color: #333399;\">\u7ba1\u6a5f V.S. \u6676\u9ad4\u6a5f<\/span><\/strong><\/h1>\n<p><span style=\"color: #333399; font-size: 90%;\"><em>\u73fe\u4ee3\u4f7f\u7528\u65bc\u63da\u8072\u5668\u7684\u64f4\u5927\u6a5f\u5143\u4ef6\u4e0d\u662f\u771f\u7a7a\u7ba1\u5c31\u662f\u96fb\u6676\u9ad4\uff0c\u7c21\u8ff0\u5169\u8005\u7684\u5dee\u7570\uff0c\u771f\u7a7a\u7ba1\u7684\u512a\u52e2\u5728\u65bc\u6975\u4f73\u7684\u7dda\u6027\uff08\u4e5f\u5c31\u662f\u539f\u97f3\u91cd\u73fe\u7684\u8868\u73fe\u8f03\u597d\uff09\uff1b\u96fb\u6676\u9ad4\u7684\u512a\u52e2\u5728\u65bc\u64c1\u6709\u5f88\u5927\u7684\u653e\u5927\u500d\u7387\u3001\u8f38\u51fa\u529f\u7387\u9ad8\u3001\u58fd\u547d\u9577\uff0c\u4ee5\u53ca\u8f03\u4f4e\u7684\u96dc\u8a0a\uff08\u4e5f\u5c31\u662f\u8010\u64cd\u53c8\u53ef\u4ee5\u5f88\u5927\u8072\uff09\u3002\u4ee5\u4e0b\u518d\u9032\u4e00\u6b65\u5206\u6790\u5169\u8005\u7684\u5de5\u4f5c\u7279\u6027\u3002<\/em><\/span><\/p>\n<\/blockquote>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 <img loading=\"lazy\" class=\" wp-image-907 alignright\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.21.19-176x400.png\" alt=\"\" width=\"226\" height=\"514\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.21.19-176x400.png 176w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.21.19-352x800.png 352w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.21.19.png 462w\" sizes=\"(max-width: 226px) 100vw, 226px\" \/>\u771f\u7a7a\u7ba1\u662f\u4e00\u7a2e\u96fb\u5b50\u5143\u4ef6\uff0c\u5728\u96fb\u8def\u4e2d\u63a7\u5236\u96fb\u5b50\u7684\u6d41\u52d5\uff0c\u56e0\u70ba\u53c3\u8207\u5de5\u4f5c\u7684\u96fb\u6975\u88ab\u5c01\u5728\u4e00\u500b\u771f\u7a7a\u7684\u5bb9\u5668\u4e4b\u5167\uff0c\u56e0\u6b64\u88ab\u7a31\u70ba\u300c\u771f\u7a7a\u7ba1\u300d\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u5728 20 \u4e16\u7d00\u4e2d\u671f\u524d\uff0c\u57fa\u672c\u4e0a\u6240\u6709\u7684\u96fb\u5b50\u5668\u6750\uff0c\u8209\u51e1\u96fb\u8996\u3001\u6536\u97f3\u6a5f\u3001\u63da\u8072 \u5668\u3001\u7121\u7dda\u96fb\u3001\u96f7\u9054\u3001\u65e9\u671f\u7684\u96fb\u8166\u3001\u96fb\u5b50\u8a2d\u5099\u7b49\uff0c\u90fd\u662f\u4f7f\u7528\u771f\u7a7a\u7ba1\u88fd\u4f5c\u800c\u6210 \u7684\u3002\u4f46\u56e0\u70ba\u771f\u7a7a\u7ba1\u9700\u8981\u4e00\u6bb5\u6642\u9593\u52a0\u71b1\uff0c\u7b49\u5f85\u9670\u6975\u653e\u5c04\u51fa\u96fb\u5b50\u624d\u80fd\u904b\u4f5c\uff0c\u6240\u4ee5\u4f7f\u7528\u771f\u7a7a\u7ba1\u7684\u96fb\u5668\u5fc5\u9808\u9810\u71b1\uff0c\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u4e00\u822c\u7684\u771f\u7a7a\u7ba1\u901a\u5e38\u4f7f\u7528 1,000 \u81f3 3,000 \u5c0f\u6642\u4e4b\u5f8c\u5c31\u9700\u8981\u66f4\u63db\u3002\u7121\u8ad6\u4efb\u4f55\u6642\u9593\uff0c\u53ea\u8981\u958b\u6a5f\u5f8c\uff0c\u8a08\u6642\u5668\u4fbf\u958b\u59cb\u8a08\u7b97\u3002\u56e0\u70ba\u9019\u500b\u58fd\u547d\u6975\u9650\uff0c\u4fc3\u4f7f\u8a31\u591a \u73a9\u5bb6\u5728\u4e0d\u807d\u7684\u6642\u5019\u5c31\u6703\u95dc\u6389\u6a5f\u5668\uff0c\u85c9\u4ee5\u5ef6\u9577\u7ba1\u5b50\u7684\u58fd\u547d\uff0c\u4f46\u7531\u65bc\u96fb\u5b50\u7dda \u8def\u7121\u6cd5\u99ac\u4e0a\u5c55\u73fe\u51fa\u6700\u4f73\u8072\u97f3\uff0c\u5f80\u5f80\u5f97\u7b49\u5230\u958b\u6a5f\u534a\u5c0f\u6642\u4ee5\u4e0a\u624d\u80fd\u5b8c\u5168\u767c\u63ee \u529f\u7387\uff0c\u56e0\u6b64\u771f\u7a7a\u7ba1\u53ef\u8aaa\u662f\u4e00\u7a2e\u9700\u8981\u5e36\u8457\u512a\u96c5\u614b\u5ea6\u8cde\u73a9\u7684\u6a5f\u5668\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u6b64\u5916\uff0c\u56e0\u70ba\u4e00\u822c\u9ad8\u7d1a\u7684\u771f\u7a7a\u7ba1\u591a\u534a\u662f\u7531\u624b\u5de5\u5b8c\u6210\uff0c\u6240\u4ee5\u4e0d\u8ad6\u751f\u7522\u88fd\u7a0b \u4e0a\u5982\u4f55\u7ba1\u63a7\uff0c\u4e8c\u652f\u7de8\u865f\u4e00\u6a23\u7684\u771f\u7a7a\u7ba1\u5728\u5100\u5668\u4e0a\u6e2c\u8a66\u7684\u6578\u503c\u4e00\u5b9a\u6703\u6709\u4e9b\u8a31 \u4e0d\u540c\uff0c\u8aa4\u5dee\u503c\u5f9e \u00b11% \u5230 \u00b110%\uff0c\u751a\u81f3\u66f4\u5927\u7684\u60c5\u6cc1\u7686\u6709\u53ef\u80fd\u767c\u751f\uff0c\u50f9 \u4f4d\u4e5f\u5c31\u6709\u6240\u4e0d\u540c\u3002\u771f\u7a7a\u7ba1\u5728\u6c92\u6709\u914d\u5c0d\u7684\u72c0\u6cc1\u4e0b\uff0c\u5bb9\u6613\u767c\u751f\u97f3\u5834\u504f\u5411\u7684\u554f\u984c\uff0c\u8d8a\u9748\u654f\u7684\u7cfb\u7d71\u8d8a\u6703\u767c\u751f\u9019\u7a2e\u72c0\u6cc1\u3002<\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"color: #666699;\">\u6b77\u53f2\u7684\u958b\u7aef\uff1a\u512a\u96c5\u7684\u771f\u7a7a\u7ba1\uff08Vacuum Tube\uff09<\/span><\/h2>\n<p>\u00a0 \u00a0 \u00a0\u800c\u66f4\u63db\u771f\u7a7a\u7ba1\u7684\u50f9\u683c\u5e36\u4e5f\u5f88\u5927\uff0c\u5f9e 10 \u7f8e\u5143\u5230 100 \u7f8e\u5143\uff08\u7d04\u53f0\u5e63 300 \u5143\u81f3 3,000 \u5143\uff09\uff1b\u751a\u81f3\u6709\u4e9b\u73a9\u5bb6\u6703\u984d\u5916 \u4ed8\u8cbb\u8cfc\u8cb7\u914d\u5c0d\u7684\u771f\u7a7a\u7ba1\uff0c\u4ee5\u6c42\u5f97\u540c\u6a23\u7684\u589e\u76ca\uff08\u653e\u5927\u7684 \u91cf\uff09\uff0c\u78ba\u4fdd\u4e00\u500b\u8072\u9053\u7684\u8072\u97f3\uff0c\u4e0d\u6703\u9ad8\u65bc\u53e6\u4e00\u500b\u8072\u9053\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u4e0d\u904e\uff0c\u9019\u500b\u5145\u6eff\u6b77\u53f2\u6027\u7684\u5143\u4ef6\uff0c\u7531\u65bc\u9ad4\u7a4d\u7a0d\u5927\u3001\u5360\u7a7a\u9593\u3001\u529f\u80fd\u4f4e\u4e14\u5bb9\u6613\u71d2\u6bc0\u7b49\u7f3a\u9ede\uff0c\u4e5f\u6fc0\u767c\u4e86\u5f8c\u7e8c\u64f4\u5927\u6a5f\u7814\u767c\u8005\u5c0b\u627e\u771f\u7a7a\u7ba1\u66ff\u4ee3\u54c1\u539f\u52d5\u529b\u3002\u81ea\u7136\u754c\u7684\u7269\u8cea\u4f9d\u7167\u5176\u5c0e\u96fb\u6027\u53ef\u5340\u5206\u70ba\u4e09\u985e:\u5c0e\u9ad4\u3001\u534a\u5c0e\u9ad4\u3001\u7d55\u7de3\u9ad4\u3002\u96fb\u6676\u9ad4\u5c6c\u65bc\u534a\u5c0e\u9ad4\u7684\u4e00\u7a2e\uff0c\u662f\u7531\u77fd\u6216\u937a \u70ba\u4e3b\u8981\u539f\u6599\u6240\u7d44\u6210\u7684\u7269\u8cea\u3002<\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"color: #666699;\">\u8de8\u4e16\u7d00\u7684\u767c\u660e\uff1a\u842c\u7528\u7684\u96fb\u6676\u9ad4\uff08Transistor\uff09<\/span><\/h2>\n<p>\u00a0 \u00a0 \u00a0\u96fb\u6676\u9ad4\u88ab\u8a8d\u70ba\u662f 20 \u4e16\u7d00\u6700\u5049\u5927\u767c\u660e\u4e4b\u4e00\uff0c\u662f\u6240\u6709\u73fe\u4ee3\u96fb\u5668\u88e1\u9762\u6700\u91cd\u8981\u7684\u5143\u4ef6\uff0c\u5b83\u53ef\u4ee5\u88ab\u5927\u898f\u6a21\u88fd\u9020\u3001\u751f\u7522\uff0c\u6210\u672c\u4f4e\u5ec9\u3001\u54c1\u8cea\u512a\u826f\u3001\u71b1\u5ea6\u4f4e\u3001\u8f38\u51fa\u6548\u7387\u9ad8\u7b49\u512a\u9ede\uff0c\u4fc3\u4f7f\u6240\u6709\u96fb\u5b50\u5100\u5668\u90fd\u6539\u7528\u96fb\u6676\u9ad4\u4f5c\u70ba\u4e3b\u8981\u7d44\u6210\u5143 \u4ef6\u3002\u5728\u97f3\u97ff\u8a2d\u5099\u7684\u4e16\u754c\u4e2d\uff0c\u65e9\u671f\u4e3b\u8981\u4f7f\u7528\u7684\u771f\u7a7a\u7ba1\u4e5f\u5728\u96fb\u6676\u9ad4\u7684\u51fa\u73fe\u5f8c\uff0c\u9010\u6f38\u88ab\u5e02\u5834\u907a\u5fd8\uff0c\u4e0d\u904e\u8fd1\u5e7e\u5e74\u7ba1\u6a5f\u6709\u6372\u571f\u91cd\u4f86\u7684\u8da8\u52e2\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u5728\u64f4\u5927\u6a5f\u7684\u88fd\u9020\u4e0a\uff0c\u96fb\u6676\u9ad4\u4e3b\u8981\u7684\u529f\u80fd\u70ba\u300c\u653e\u5927\u300d\u4fe1\u865f\u8207\u300c\u958b\u95dc\u300d\u96fb\u58d3\u3002\u4ee5\u6536\u97f3\u6a5f\u70ba\u4f8b\u5b50\uff0c\u5c07\u7a7a\u4e2d\u6240\u63a5\u6536\u5230\u6975\u5fae\u5f31\u7684\u985e\u6bd4\u8a0a\u865f\u653e\u5927\u5f8c\uff0c\u9a45\u52d5\u63da\u8072\u5668\u9032\u884c\u767c\u8072\uff0c\u4fbf\u662f\u96fb\u6676\u9ad4\u7684\u300c\u653e\u5927\u300d \u4f5c\u7528\uff0c\u5b83\u53ef\u4ee5\u4e0d\u7528\u6539\u8b8a\u8f38\u5165\u8a0a\u865f\u7684\u6ce2\u5f62\uff0c\u53ea\u6703\u5c07\u96fb\u58d3\u8ddf\u96fb\u6d41\u503c\u653e \u5927\u3002\u800c\u5728\u96fb\u8166\u4e2d\uff0c\u4e5f\u6709\u96fb\u6676\u9ad4\u7684\u5b58\u5728\uff0c\u96fb\u8166\u6240\u4f7f\u7528\u7684\u6578\u4f4d\u8a0a\u865f\uff0c \u96fb\u6676\u9ad4\u5247\u767c\u63ee\u300c\u958b\u95dc\u300d\u7684\u4f5c\u7528\uff0c\u5728 0\uff08\u4f4e\u96fb\u58d3\uff09\u8207 1\uff08\u9ad8\u96fb\u58d3\uff09\u4e4b\u9593\u9032\u884c\u5207\u63db\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<blockquote>\n<h1><strong><span style=\"color: #333399;\"><img loading=\"lazy\" class=\" wp-image-915 alignright\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.21.09-368x400.png\" alt=\"\" width=\"298\" height=\"324\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.21.09-368x400.png 368w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.21.09.png 498w\" sizes=\"(max-width: 298px) 100vw, 298px\" \/>\u524d\u7d1a V.S. \u5f8c\u7d1a V.S. \u7d9c\u64f4 <\/span><\/strong><\/h1>\n<p><span style=\"color: #333399;\"><em><span style=\"font-size: 85%;\">\u4e86\u89e3\u300c\u7ba1\u6a5f\u300d\u8207\u300c\u6676\u9ad4\u6a5f\u300d\u7684\u5dee\u5225\u4e4b\u5f8c\uff0c\u8b93\u6211\u5011\u7e7c\u7e8c\u9032\u884c\u4e0b\u4e00\u5c64\u7684\u5206\u985e\u8aaa\u660e\u3002<\/span><\/em><\/span><\/p>\n<\/blockquote>\n<p>\u00a0<\/p>\n<h2><span style=\"color: #666699;\">\u524d\u7d1a<\/span><\/h2>\n<p>\u00a0 \u00a0 \u00a0\u524d\u7d1a\uff08Pre-Amp\uff0c\u6216\u7a31\u524d\u7f6e\u8655\u7406\u5668\uff09\uff0c\u5c31\u50cf\u662f\u6574\u5957\u97f3\u97ff\u8a2d\u5099\u7684\u63a7\u5236\u4e2d\u5fc3\uff0c\u662f\u8ca0\u8cac\u8655\u7406\u5f9e CD \u5531\u76e4\u3001DVD \u64ad\u653e\u6a5f\u3001LP \u5531\u76e4\u7b49\u8a0a\u6e90\u6240\u63a5\u6536\u5230\u7684\u8072\u97f3\u8a0a\u865f\uff0c\u7136\u5f8c\u9001\u81f3\u5f8c\u7d1a\u64f4\u5927\u6a5f\u9032\u884c\u300c\u529f\u7387\u653e\u5927\u300d\u3002\u56e0\u70ba\u4e0d\u540c\u7684\u8a0a\u865f\u5404\u6709\u4e0d\u540c\u7684\u96fb\u58d3\u5927\u5c0f\uff0c\u5fc5\u9808\u5148\u505a\u8655\u7406\uff0c\u7136\u5f8c\u518d\u8f38\u51fa\u7d66\u5f8c\u7d1a\u64f4\u5927\u6a5f\u3002\u518d\u8005\uff0c\u524d\u7d1a\u64f4\u5927\u6a5f\u672c\u8eab\u8f38\u51fa\u8a0a\u865f\u7684\u96fb\u6d41\u662f\u5f88\u5fae\u5f31\u7684\uff0c\u4e26\u4e0d\u8db3\u4ee5\u63a8\u52d5\u63da\u8072\u5668\uff0c\u8072\u97f3\u6703\u975e\u5e38\u5c0f\u8072\u3002<\/p>\n<p>\u524d\u7d1a\u7684\u57fa\u672c\u7d50\u69cb\u5206\u70ba\u56db\u500b\u90e8\u5206:<\/p>\n<ol>\n<li><span style=\"color: #008080;\"><strong>\u97f3\u91cf\u63a7\u5236\uff08Volume control\uff09<\/strong><\/span>\uff1a\u76ee\u7684\u5728\u6539\u8b8a\u8072\u97f3\u8a0a\u865f\u632f\u5e45\u7684\u5927\u5c0f\uff0c \u9032\u800c\u8abf\u6574\u97f3\u91cf\u7684\u5927\u5c0f\u3002<\/li>\n<li><span style=\"color: #008080;\"><strong>\u5e73\u8861\u63a7\u5236\uff08Balance control\uff09<\/strong><\/span>\uff1a\u76ee\u7684\u662f\u7528\u4f86\u6821\u6b63\u7acb\u9ad4\u5de6\u53f3\u8072\u9053\u97f3\u91cf \u7684\u504f\u5dee\uff0c\u7576\u5de6\u53f3\u8072\u9053\u7684\u8f38\u51fa\u97f3\u91cf\u5927\u5c0f\u4e0d\u4e00\u81f4\u6642\uff0c\u5c31\u53ef\u4ee5\u85c9\u6b64\u8abf\u6574\u3002<\/li>\n<li><strong><span style=\"color: #008080;\">\u5e73\u5766\u653e\u5927\u8a0a\u865f\uff08Flat amplifier\uff09<\/span>\uff1a<\/strong>\u529f\u7528\u662f\u5c07\u97f3\u983b\u8a0a\u865f\u52a0\u4ee5\u653e\u5927\uff0c\u901a \u5e38\u653e\u5927\u7684\u500d\u6578\u70ba 10 \u500d(20dB)\uff0c\u6240\u4ee5\u53c8\u7a31\u70ba\u5341\u500d\u653e\u5927\u5668\u3002<\/li>\n<li><strong><span style=\"color: #008080;\">\u97f3\u8abf\u63a7\u5236\uff08Tone control\uff09<\/span>\uff1a<\/strong>\u76ee\u7684\u5728\u6539\u8b8a\u8072\u97f3\u8a0a\u865f\u7684\u983b\u7387\u7279\u6027\uff0c \u4f9d\u7167\u529f\u7528\u6709\u9ad8\u983b\u63a7\u5236(Treble control)\u3001\u4e2d\u983b\u63a7\u5236(Mid control)\u3001 \u4f4e\u983b\u63a7\u5236(Bass control)\uff0c\u751a\u81f3\u9084\u5305\u542b\u6709\u9ad8\/\u4f4e\u983b\u6ffe\u6ce2\u5668(High\/Low filter)\u3001\u97ff\u5ea6\u63a7\u5236(Loudness control)\u3001\u4ee5\u53ca\u97f3\u97ff\u6548\u679c\u653e\u5927\u5668(Sound effect amplifier\uff0c\u7c21\u7a31 SEA)\u3002<\/li>\n<\/ol>\n<div class=\"row\"  id=\"row-962426274\">\n\n\n\t<div id=\"col-2070137814\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\" style=\"background-color:rgb(238, 240, 255);\" >\n\t\t\t\n\t\t\t\n\n<h3><strong><span style=\"color: #ffffff; background-color: #666699;\">\u00a0\u5c0f\u5c0f\u77e5\u8b58\u5bb6\uff1a\u529f\u7387\u00a0\u00a0<\/span><\/strong><\/h3>\n<p>\u770b\u5230\u529f\u7387\u7684\u300c\u7387\u300d\uff0c\u5c31\u77e5\u9053\u529f\u7387\u516b\u6210\u8ddf\u6642\u9593\u812b\u4e0d\u4e86\u95dc\u4fc2\u3002\u529f\u7387\u4ee3\u8868\u7684\u610f\u7fa9\u662f\u80fd\u91cf\u6d88\u8017\u6216\u8f49\u63db\u7684\u901f\u7387\uff0c\u55ae\u4f4d\u662f\u74e6\u7279\uff08W\uff09\uff0c1W \u4ee3\u8868\u6bcf\u79d2\u9418\u6d88\u8017\u6216\u8f49\u63db\u7684\u80fd\u91cf\u70ba 1 \u7126\u8033\uff08J\uff09\u30021J \u7684\u80fd\u91cf\u662f\u591a\u5c11\u5462\uff1f\u4e00\u7c92\u7c73\u6240\u542b\u7684\u71b1\u91cf\u5927\u7d04\u662f 200J\uff0c\u53ef\u77e5 1J \u7684\u80fd\u91cf\u5176\u5be6\u883b\u5c0f\u7684\u3002\u82e5\u4e00\u64f4\u5927\u6a5f\u7684\u8f38\u51fa\u529f\u7387\u70ba 100W\uff0c\u5247\u4ee3\u8868\u8a72\u64f4\u5927\u6a5f\u6bcf\u79d2\u9418\u53ef\u63d0\u4f9b 100J \u7684\u80fd\u91cf\uff0c\u7d04\u76f8\u7576\u65bc 0.5 \u7c92\u7c73\u6240\u542b\u7684\u71b1\u91cf\u3002<\/p>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-2070137814 > .col-inner {\n  padding: 12px 21px 5px 26px;\n  margin: 0px 8px 0px -3px;\n  border-radius: 12px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n<h2>\u00a0<\/h2>\n<h2><span style=\"color: #666699;\">\u5f8c\u7d1a<\/span><\/h2>\n<p>\u00a0 \u00a0 \u00a0 \u5f8c\u7d1a\uff08Power-Amp\uff0c\u6216\u7a31\u529f\u7387\u653e\u5927\u5668\uff09\uff0c\u4e3b\u8981\u529f\u80fd\u662f\u5c07\u524d\u7d1a\u8655\u7406\u5f8c\u7684\u97f3\u983b\u8a0a\u865f\u505a\u529f\u7387\u653e\u5927\uff08\u540c\u6642\u653e\u5927\u96fb\u58d3\u8207\u96fb\u6d41\uff0c\u4ee5\u96fb\u6d41\u653e\u5927\u70ba\u4e3b\uff09\uff0c\u4f7f\u5f8c\u7d1a\u7684\u8f38\u51fa\u8a0a\u865f\u6709\u8db3\u5920\u7684\u529f\u7387\u53bb\u63a8\u52d5\u63da\u8072\u5668\uff0c\u9032\u800c\u767c\u51fa\u8072\u97f3\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u4e00\u822c\u800c\u8a00\uff0c\u5b8c\u6574\u7cfb\u7d71\u7684\u64f4\u5927\u6a5f\u5fc5\u9808\u64c1\u6709\u524d\u7d1a\u3001\u5f8c\u7d1a\uff0c\u4f46\u82e5\u662f\u4e0d\u60f3\u8981\u6771\u62fc\u897f\u6e4a\u53c8\u60f3\u7bc0\u7701\u7a7a\u9593\uff0c\u5247\u53ef\u4ee5\u9078\u64c7&#8212;\u7d9c\u5408\u64f4\u5927\u6a5f\uff08Integrated amp.\uff09\uff0c \u5c07\u524d\u7d1a\u8207\u5f8c\u7d1a\u7d50\u5408\u5728\u4e00\u8d77\u4f7f\u7528\uff0c\u96d6\u7136\u65b9\u4fbf\u8a31\u591a\uff0c\u4f46\u591a\u5c11\u6703\u53d7\u9650\u65bc\u6a5f\u5668\u7684 \u9ad4\u578b\u3001\u529f\u7387\u8207\u5143\u4ef6\u4e0a\u7684\u9650\u5236\uff0c\u53ef\u4ee5\u8abf\u6574\u7684\u7a7a\u9593\u8b8a\u5c0f;\u76f8\u8f03\u65bc\u524d\u3001\u5f8c\u7d1a\u64f4 \u5927\u6a5f\u5404\u81ea\u7368\u7acb\u4f7f\u7528\uff0c\u5247\u662f\u63db\u6a5f\u6642\u8f03\u65b9\u4fbf\uff0c\u53ef\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\u9032\u884c\u66f4\u63db\uff0c \u4e26\u4eab\u53d7\u5176\u4e2d\u642d\u914d\u7684\u6a02\u8da3\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u5728\u97f3\u97ff\u754c\uff0c\u7ba1\u6a5f\u7d93\u5e38\u88ab\u8a55\u70ba\u63a8\u51fa\u4f86\u7684\u8072\u97f3\u8f03\u751c\u7f8e\u3001\u6eab\u6696\u4e14\u9ad8\u97f3\u81ea\u7136; \u6676\u9ad4\u6a5f\u5247\u88ab\u8a8d\u70ba\u8868\u73fe\u51fa\u7684\u8072\u97f3\u6e05\u6f88\u7d50\u5be6\u3001\u901a\u900f\u3001\u4e14\u5177\u6709\u9ad8\u89e3\u6790\u529b\u3002<\/p>\n<p>\u00a0 \u00a0\u300c\u7ba1\u6a5f\u300d\u8207\u300c\u6676\u9ad4\u6a5f\u300d\u5169\u8005\u4e4b\u9593\u807d\u611f\u7684\u4e0d\u540c\uff0c\u4e3b\u8981\u4f86\u81ea\u65bc\u5143\u4ef6\u672c\u8eab\u6240\u9020\u6210\u8ae7\u6ce2\u5931\u771f\u7684\u5dee\u7570\u3002\u82e5\u5c07\u5169\u8005\u7684\u8ae7\u6ce2\u5931\u771f\u76f8\u6bd4\u8f03\uff0c\u6703\u767c\u73fe\u7ba1\u6a5f\u9060\u9060\u5927 \u65bc\u6676\u9ad4\u6a5f\uff0c\u4e14\u5169\u8005\u7686\u6703\u540c\u6642\u7522\u751f\u5947\u6b21\u8207\u5076\u6b21\u8ae7\u6ce2\u5931\u771f\uff0c\u53ea\u4e0d\u904e\u6bd4\u4f8b\u6709\u6240 \u4e0d\u540c\uff0c\u56e0\u70ba\u7ba1\u6a5f\u7522\u751f\u5927\u91cf\u7684\u5076\u6b21\u8ae7\u6ce2\u5931\u771f\uff0c\u6240\u4ee5\u8072\u97f3\u807d\u8d77\u4f86\u6703\u683c\u5916\u6709\u539a\u5ea6\u3001\u97f3\u8272\u6eab\u6f64\u3002\u4e0d\u904e\u96a8\u8457\u79d1\u6280\u65e5\u65b0\u6708\u7570\uff0c\u5404\u5bb6\u5ee0\u724c\u5927\u591a\u80fd\u81ea\u884c\u63a7\u5236\u5931\u771f\u3001 \u751a\u81f3\u6d3b\u7528\u5931\u771f\u7684\u7279\u6027\uff0c\u4e26\u5275\u9020\u51fa\u81ea\u5bb6\u5ee0\u724c\u7368\u4e00\u7121\u4e8c\u7684\u8072\u97f3\u7f8e\u5b78\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u4ee5\u4e0a\u95dc\u65bc\u300c\u7ba1\u6a5f\u300d\u8207\u300c\u6676\u9ad4\u6a5f\u300d\u7684\u5206\u6790\uff0c\u50c5\u662f\u5927\u591a\u6578\u4f7f\u7528\u8005\u7684\u611f\u53d7\uff0c\u800c\u5169\u8005\u5404\u6709\u64c1\u8b77\u65cf\u7fa4\uff0c\u7562\u7adf\u807d\u89ba\u7684\u611f\u53d7\u9084\u662f\u500b\u4eba\u559c\u597d\uff0c\u7121\u8ad6\u662f\u559c\u597d\u7ba1\u6a5f \u7684\u751c\u7f8e\u8072\u7dda\uff0c\u6216\u611b\u4e0a\u6676\u9ad4\u6a5f\u7684\u8af8\u591a\u7d30\u7bc0\u8868\u73fe\uff0c\u90fd\u61c9\u8a72\u5efa\u8b70\u907f\u514d\u6975\u7aef\u7684\u51fa \u73fe\u3002\u7cd6\u871c\u822c\u751c\u7f8e\u7684\u7ba1\u6a5f\u56e0\u70ba\u4f4e\u89e3\u6790\uff0c\u6703\u5e36\u6709\u758f\u96e2\u7684\u5473\u9053\uff1b\u800c\u7d30\u7bc0\u5206\u660e\u7684 \u6676\u9ad4\u6a5f\uff0c\u904e\u5ea6\u89e3\u6790\u5f8c\u6703\u5e36\u4f86\u75b2\u5026\u611f\uff0c\u82e5\u8b93\u63da\u8072\u5668\u7cfb\u7d71\u4e0a\u6bcf\u6a23\u7d44\u4ef6\u90fd\u76e1\u91cf\u5730\u900f\u660e\u3001\u4e2d\u6027\uff0c\u624d\u80fd\u64c1\u6709\u66f4\u68d2\u7684\u97f3\u6a02\u9957\u5bb4\u3002<\/p>\n<div class=\"row\"  id=\"row-601598745\">\n\n\n\t<div id=\"col-1540181528\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner\" style=\"background-color:rgb(238, 240, 255);\" >\n\t\t\t\n\t\t\t\n\n<h3><span style=\"color: #ffffff; background-color: #666699;\">\u00a0\u5c0f\u5c0f\u77e5\u8b58\u5bb6\uff1a\u8ae7\u6ce2\u5931\u771f\u3001\u5076\u6b21\u8ae7\u6ce2\u3001\u5947\u6b21\u8ae7\u6ce2\u00a0\u00a0<\/span><\/h3>\n<p>\u8ae7\u6ce2\u5931\u771f\uff08Harmonic Distortion\uff09\u662f\u4e00\u7a2e\u6709\u5bb3\u7684\u8a0a\u865f\u5e72\u64fe\u3002\u64f4\u5927\u6a5f\u5728\u653e\u5927\u8a0a\u865f\u7684\u904e\u7a0b\u4e2d\uff0c\u7531\u65bc\u653e\u5927\u5143\u4ef6\u4e0d\u5920\u7406\u60f3\uff0c\u6703\u7522\u751f\u539f\u6709\u983b\u7387\u7684\u5404\u7a2e\u500d\u6578\u983b\u7387\u3002\u653e\u5927 1kHz \u7684\u983b\u7387\u8a0a\u865f\u6642\u6703\u7522\u751f 2kHz \u7684\u5076\u6b21\u8ae7\u6ce2\u30013kHz \u7684\u5947\u6b21\u8ae7\u6ce2\u4ee5\u53ca\u8a31\u591a\u66f4\u9ad8\u6b21\u7684\u8ae7\u6ce2\uff0c\u7406\u8ad6\u4e0a\u6b64\u6578\u503c\u8d8a\u5c0f\uff0c\u4ee3\u8868\u5931\u771f\u5ea6\u8d8a\u4f4e\u3002\u8f38\u51fa\u7684\u8a0a\u865f\u9664\u4e86\u5305\u542b\u5df2\u88ab\u653e\u5927\u7684\u8f38\u5165\u6210\u4efd\u4e4b\u5916\uff0c\u9084\u589e\u52a0\u4e86\u4e00\u4e9b\u539f\u8a0a\u865f\u7684 2 \u500d\u30013 \u500d\u30014 \u500d &#8230; \u751a\u81f3\u66f4\u9ad8\u500d\u7684\u983b\u7387\uff0c\u5c0e\u81f4\u8f38\u51fa\u6ce2\u5f62\u8d70\u6a23\uff0c\u9019\u7a2e\u56e0\u70ba\u8ae7\u6ce2\u5f15\u8d77\u7684\u5931\u771f\u7a31\u70ba\u8ae7\u6ce2\u5931\u771f\u3002<\/p>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1540181528 > .col-inner {\n  padding: 12px 21px 5px 26px;\n  margin: 0px 8px 0px 1px;\n  border-radius: 12px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n<h1>\u00a0<\/h1>\n<blockquote>\n<h1><strong><span style=\"color: #333399;\">\u64f4\u5927\u6a5f A\u3001B\u3001AB\u3001D \u5206\u985e\u539f\u7406\u89e3\u6790<\/span><\/strong><\/h1>\n<p><span style=\"font-size: 85%; color: #333399;\">\u6839\u64da\u4e0d\u540c\u7684\u653e\u5927\u5de5\u4f5c\u539f\u7406\u4f86\u5206\u985e\uff0c\u6b64\u6b21\u5c07\u4ecb\u7d39\u5e38\u898b\u7684\u5f8c\u7d1a\u64f4\u5927\u6a5f\u985e\u5225\uff0c\u4f9d\u5e8f\u70ba Class A \u985e\u3001Class B \u985e\u3001Class AB \u985e\u53ca Class D \u985e\u3002<\/span><\/p>\n<\/blockquote>\n<p><img loading=\"lazy\" class=\" wp-image-908 alignleft\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.26.47-506x400.png\" alt=\"\" width=\"276\" height=\"219\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.26.47-506x400.png 506w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.26.47-510x403.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.26.47.png 564w\" sizes=\"(max-width: 276px) 100vw, 276px\" \/> \u00a0\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0\u5728\u4ecb\u7d39\u5404\u985e\u578b\u5f8c\u7d1a\u64f4\u5927\u6a5f\u4e4b\u524d\uff0c\u5148 \u7c21\u55ae\u8aaa\u660e\u7406\u60f3\u653e\u5927\u5143\u4ef6\u7684\u7279\u6027\uff0c\u5982\u679c\u653e \u5927\u500d\u6578\u70ba 10 \u500d\uff0c\u8f38\u5165 1 \u6703\u5f97\u5230 10\u3001\u8f38 \u5165 2 \u6703\u5f97\u5230 20\uff0c\u4e0d\u7ba1\u8f38\u5165\u8a0a\u865f\u591a\u5c11\uff0c \u8f38\u51fa\u8a0a\u865f\u90fd\u6703\u662f\u8f38\u5165\u8a0a\u865f\u7684\u56fa\u5b9a\u500d\u6578 \uff08\u5982\u5716 a\uff09\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 <img loading=\"lazy\" class=\"wp-image-909 alignright\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.22-537x400.png\" alt=\"\" width=\"250\" height=\"186\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.22-537x400.png 537w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.22-510x380.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.22.png 540w\" sizes=\"(max-width: 250px) 100vw, 250px\" \/>\u4e0d\u904e\u5716 a \u662f\u7406\u60f3\u5316\u72c0\u614b\uff0c\u5be6\u4e0a\u96fb\u6676 \u9ad4\u7684\u653e\u5927\u7279\u6027\u66f2\u7dda\u53ea\u6709\u5728\u4e2d\u9593\u5340\u584a\u6703 \u5448\u73fe\u7dda\u6027\uff0c\u5176\u9918\u5340\u584a\u5247\u4e0d\u7136\u3002\u82e5\u662f\u8f38\u5165 \u7684\u8a0a\u865f\u672a\u80fd\u843d\u5165\u6700\u4f73\u7dda\u6027\u5340\uff0c\u800c\u662f\u5206 \u4f48\u5728\u5176\u4ed6\u5340\u584a\uff0c\u5c31\u6703\u9020\u6210\u8a0a\u865f\u5931\u771f\uff08\u5982\u5716 b\uff09\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u6b64\u5916\uff0c\u4e00\u500b\u96fb\u6676\u9ad4\u4e00\u6b21\u53ea\u80fd\u8655\u7406\u6b63\u534a\u6ce2\u6216\u8005\u8ca0\u534a\u6ce2\u7684\u8a0a\u865f\uff0c\u82e5\u9700\u8981\u4e00\u6b21\u8655\u7406\u5b8c\u6574\u7684 \u8072\u97f3\u8a0a\u865f\uff0c\u5247\u9700\u8981\u5169\u500b\u96fb\u6676\u9ad4\u3001\u6216\u8005\u65bd\u4e88\u76f4 \u6d41\u504f\u58d3\uff0c\u8b93\u6240\u6709\u8a0a\u865f\u7684\u96fb\u58d3\u503c\u5927\u65bc\u96f6\uff08\u4f8b\u5982 A \u985e\u64f4\u5927\u6a5f\uff09\u3002<\/p>\n<p>\u63a5\u4e0b\u4f86\u5c07\u4f9d\u7167\u64f4\u5927\u6a5f\u4e0d\u540c\u7684\u5de5\u4f5c\u539f\u7406\u5206 \u6210 A \u985e\u3001B \u985e\u3001AB \u985e\u8207 D \u985e\uff0c\u4f9d\u5e8f\u8aaa\u660e\u3002<\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"color: #800000;\">Class A \u985e<\/span><\/h2>\n<p>\u00a0 \u00a0 \u00a0\u8a0a\u865f\u53ef\u5206\u70ba\u76f4\u6d41\u8a0a\u865f\u4ee5\u53ca\u4ea4\u6d41\u8a0a\u865f\u3002\u6240\u8b02\u7684\u4ea4\u6d41\u8a0a\u865f\uff0c\u662f\u6307\u8a0a\u865f\u6703\u96a8\u8457\u6642\u9593\u4e0d\u540c\u800c\u8b8a\u5316\uff0c\u53cd\u4e4b\uff0c\u76f4\u6d41\u8a0a\u865f\u4e0d\u6703\u96a8\u8457\u6642\u9593\u4e0d\u540c\u800c\u6539\u8b8a\uff0c\u7dad\u6301\u56fa\u5b9a \u7684\u96fb\u58d3\u6216\u96fb\u6d41\u503c\uff08\u5982\u5716 c\uff09\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-910\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.30-800x258.png\" alt=\"\" width=\"800\" height=\"258\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.30-800x258.png 800w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.30-510x165.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.30-768x248.png 768w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.27.30.png 1034w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u64f4\u5927\u6a5f\u6240\u63a5\u6536\u7684\u97f3\u983b\u8a0a\u865f\uff0c\u90fd\u662f\u7531\u6b63\u5230\u8ca0\u3001 \u518d\u7531\u8ca0\u5230\u6b63\u4e0d\u65b7\u5faa\u74b0\u7684\u4ea4\u6d41\u8a0a\u865f\uff08\u5982\u5716 d\uff09\u3002A \u985e\u64f4\u5927\u6a5f\u53ea\u4f7f\u7528\u55ae\u4e00\u96fb\u6676\u9ad4\u653e\u5927\u5b8c\u6574\u7684\u97f3\u983b\u8a0a\u865f\uff0c\u7531\u65bc\u4e00\u500b\u96fb\u6676\u9ad4\u4e00\u6b21\u53ea\u80fd\u653e\u5927\u6b63\u534a\u6ce2\u6216\u8ca0\u534a\u6ce2 \u7684\u8a0a\u865f\uff0c\u70ba\u4e86\u4f7f\u97f3\u983b\u8a0a\u865f\u843d\u5165\u6b63\u8a0a\u865f\u7684\u7bc4\u570d\u5167\u4ee5\u53ca\u6700\u4f73\u7dda\u6027\u5340\uff0c\u6703\u5728\u8f38 \u5165\u8a0a\u865f\u52a0\u5165\u4e00\u76f4\u6d41\u504f\u58d3\uff0c\u4ee5\u9054\u7dda\u6027\u653e\u5927\u7684\u76ee\u6a19\uff0c\u9019\u500b\u76f4\u6d41\u504f\u58d3\u7a31\u70ba\u5de5\u4f5c \u9ede\uff08Operating Point\uff09\u3002\u8209\u4f8b\u4f86\u8aaa\uff1a\u82e5\u96fb\u6676\u9ad4\u7684\u6700\u4f73\u7dda\u6027\u5340\u9593\u662f 1V-3V\uff0c \u90a3\u9ebc\uff0c\u7576\u8f38\u5165\u4e00\u5927\u5c0f\u70ba\u6b63\u8ca0 1V \u7684\u4ea4\u6d41\u8a0a\u865f\u6642\uff0c\u53ef\u52a0\u5165 2V \u7684\u76f4\u6d41\u504f\u58d3\uff0c \u4f7f\u5176\u8a0a\u865f\u5b8c\u5168\u843d\u5728\u6700\u4f73\u7dda\u6027\u5340\u4ee5\u53ca\u6b63\u8a0a\u865f\u7684\u7bc4\u570d\u5167\uff08\u5982\u5716 e\uff09\uff0c\u4ee5\u9054\u5230\u4f7f \u7528\u55ae\u4e00\u96fb\u6676\u9ad4\u5b8c\u6210\u7dda\u6027\u653e\u5927\u7684\u76ee\u6a19\uff0c\u6b64\u985e\u7684\u653e\u5927\u65b9\u5f0f\u5373\u7a31\u70ba A \u985e\u653e\u5927\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-911\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.28.38-800x322.png\" alt=\"\" width=\"800\" height=\"322\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.28.38-800x322.png 800w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.28.38-510x205.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.28.38-768x309.png 768w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.28.38.png 1014w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0\u4f46\u662f\u7576\u8f38\u5165\u7684\u97f3\u983b\u8a0a\u865f\u70ba 0V \u6642\uff0c\u7531\u65bc\u4e00\u76f4\u65bd\u4e88 2V \u76f4\u6d41\u504f\u58d3\u7684\u7de3\u6545\uff0c \u653e\u5927\u5668\u6301\u7e8c\u5730\u63a5\u6536\u5230 2V \u7684\u8f38\u5165\u8a0a\u865f\uff0c\u6240\u4ee5\u9084\u662f\u5fc5\u9808\u5c0d\u5176\u6301\u7e8c\u9032\u884c\u653e\u5927\u7684\u52d5\u4f5c\uff0c\u5982\u6b64\u4e00\u4f86\u4fbf\u7522\u751f\u7121\u7528\u7684\u529f\u7387\u640d\u8017\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u56e0\u6b64\uff0c\u7406\u8ad6\u4e0a A \u985e\u653e\u5927\u64c1\u6709\u6975\u4f73\u7684\u7dda\u6027\u653e\u5927\u7279\u6027\uff0c\u4e0d\u904e\uff0c\u5be6\u969b\u4e0a\u96fb\u80fd\u5229\u7528\u7387\u4f4e\u65bc 25%\uff08\u4e00\u822c\u50c5\u70ba 10%-20%\uff09\u3002\u4f8b\u5982\u4f9b\u61c9 100W \u96fb\u529b\uff0c\u6700\u5f8c\u771f\u6b63\u8f38\u51fa\u5230\u63da\u8072\u5668\u6700\u591a\u4e5f\u53ea\u6709 25W \u5de6\u53f3\uff0c\u5176\u9918\u7684 75W \u901a\u901a\u6d88\u8017\u6389\uff0c\u56e0\u70ba\u8f49\u63db\u6548\u7387\u5dee\u3001\u9ad8\u8017\u80fd\u4e26\u540c\u6642\u7522\u751f\u9ad8B\u5ee2\u71b1\u3002\u800c\u71b1\u53c8\u662f\u6240\u6709\u96fb\u5b50\u5143\u4ef6\u7684\u5927\u6575\uff0c\u7576\u6eab\u5ea6\u4e0a\u5347\u5f8c\uff0c\u6240\u6709\u7684\u7279\u6027\u53c8\u6703\u6539\u8b8a\uff0c\u56e0\u6b64\u539f\u5148\u9810\u671f\u7684\u8af8\u591a\u512a\u9ede\uff0c\u53c8\u6703\u6709\u76f8\u7576\u7a0b\u5ea6\u7684\u62b5\u6e1b\u3002\u6240\u4ee5\u5370\u8c61\u4e2d\u7684 A \u985e\u64f4\u5927\u6a5f\u90fd\u5f88\u5927\u53f0\u3001\u5f88\u91cd\u3001\u5f88\u71d9\uff0c\u901a\u5e38\u9700\u8981\u914d\u88dd\u5927\u578b\u7684\u6563\u71b1\u7247\u4f86\u8f14\u52a9\u6563\u71b1\u3002<\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"color: #800000;\">Class B \u985e<\/span><\/h2>\n<p>\u00a0 \u00a0 <img loading=\"lazy\" class=\" wp-image-922 alignright\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/34648-747x400.png\" alt=\"\" width=\"318\" height=\"170\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/34648-747x400.png 747w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/34648-510x273.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/34648-768x411.png 768w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/34648.png 896w\" sizes=\"(max-width: 318px) 100vw, 318px\" \/>\u70ba\u4e86\u89e3\u6c7a A \u985e\u653e\u5927\u5668\u6548\u7387\u904e\u4f4e\u7684\u554f\u984c\uff0c\u65bc \u662f\u51fa\u73fe\u4e86 B \u985e\u653e\u5927\u5668\uff0c\u5229\u7528\u5169\u500b\u96fb\u6676\u9ad4\u5404\u81ea \u8655\u7406\u6b63\u534a\u6ce2\u8207\u8ca0\u534a\u6ce2\u7684\u8a0a\u865f\u3002\u5176\u4e00\u8ca0\u8cac\u8f38\u51fa\u5927\uff0c\u800c\u8ca0\u534a\u9031\u7684\u8a0a\u865f\u5c31\u7531\u8ca0\u96fb\u58d3\u7684\u5143\u4ef6\u653e\u5927\u3002 \u7576\u6b63\u534a\u9031\u7684\u5143\u4ef6\u5728\u5de5\u4f5c\u6642\uff0c\u8ca0\u534a\u9031\u7684\u5143\u4ef6 \u5c31\u8655\u5728\u95dc\u9589\u7684\u72c0\u614b;\u53cd\u4e4b\u7576\u8ca0\u534a\u9031\u7684\u5143\u4ef6\u5728\u5de5\u4f5c\u6642\uff0c\u6b63\u534a\u9031\u7684\u5143\u4ef6\u5c31\u95dc\u9589\u4e2d\u3002<\/p>\n<p>\u00a0 \u00a0 <img loading=\"lazy\" class=\" wp-image-913 alignleft\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.29.38-420x400.png\" alt=\"\" width=\"252\" height=\"240\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.29.38-420x400.png 420w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.29.38-510x486.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.29.38-840x800.png 840w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.29.38-768x732.png 768w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.29.38.png 888w\" sizes=\"(max-width: 252px) 100vw, 252px\" \/>\u4ee5 B \u985e\u653e\u5927\u800c\u8a00\uff0c\u56e0\u70ba\u96fb\u6676\u9ad4\u6709\u5c0e\u901a\u96fb\u58d3\u7684\u7279\u6027\uff0c\u610f\u601d\u662f\u6307\u8f38\u5165\u8a0a\u865f\u5fc5\u9808\u9ad8\u65bc\u5c0e\u901a\u96fb \u58d3\uff0c\u96fb\u6676\u9ad4\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u6240\u4ee5\u7576\u8f38\u5165\u8a0a\u865f\u5c0f\u65bc\u96fb\u6676\u9ad4\u7684\u5c0e\u901a\u96fb\u58d3\u6642\uff0c\u52a0\u4e0a\u53c8\u6c92\u6709\u50cf A \u985e\u653e\u5927\u7dda\u8def\u4e00\u6a23\u65bd\u4e88\u76f4\u6d41\u504f\u58d3\u7684\u60c5\u5f62\u4e4b\u4e0b\uff0c \u6b64\u6642\u96fb\u6676\u9ad4\u662f\u6c92\u6709\u8f38\u51fa\u7684\uff0c\u9019\u4e5f\u5c31\u7522\u751f\u5927\u5bb6 \u5e38\u807d\u5230\u7684\u300c\u4ea4\u8d8a\u5931\u771f\u300d\u6216\u300c\u4ea4\u53c9\u5931\u771f\u300d\uff08\u5982\u5716 g\uff09\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u9664\u4e86\u4ea4\u8d8a\u5931\u771f\u4e4b\u5916\uff0c\u53e6\u4e00\u500b\u5bb9\u6613\u51fa\u73fe\u7684\u554f \u984c\u662f\uff0c\u6b63\u8ca0\u5169\u500b\u653e\u5927\u5143\u4ef6\u5c0d\u7a31\u6027\u7684\u554f\u984c\u3002\u7531 \u65bc\u7121\u6cd5\u627e\u5230\u5b8c\u7f8e\u5c0d\u7a31\u7684\u653e\u5927\u5143\u4ef6\uff0c\u4e5f\u9020\u6210\u4e86 \u5176\u4ed6\u5f62\u5f0f\u7684\u5931\u771f\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u4e0d\u904e B \u985e\u653e\u5927\u6b63\u56e0\u70ba\u6c92\u6709\u76f4\u6d41\u504f\u58d3\uff0c\u6240\u4ee5 \u7576\u8f38\u5165\u8a0a\u865f\u70ba 0 \u6642\uff0c\u4fbf\u6c92\u6709\u8f38\u51fa\u3002\u56e0\u6b64 B \u985e \u7684\u80fd\u91cf\u5229\u7528\u7387\u6703\u6bd4 A \u985e\u9ad8\u51fa\u8a31\u591a\uff0c\u6240\u4ee5 B \u985e\u653e\u5927\u5668\u662f\u8a31\u591a\u7701\u96fb\u578b\u88dd\u7f6e\u7684\u6700\u611b\u3002<\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"color: #800000;\">Class AB \u985e<\/span><\/h2>\n<p>\u00a0 \u00a0 \u00a0 \u65e2\u7136 A \u985e\u7dda\u6027\u4f73\u3001\u6548\u7387\u5dee\u3001\u8017\u8cbb\u80fd\u91cf\uff1bB \u985e\u6548\u7387\u9ad8\u3001\u7dda\u6027\u8f03\u5dee\uff0c\u65bc\u662f\u6709\u4eba\u4fbf\u63d0\u51fa\u6298\u8877\u65b9\u6848\uff1a\u5229\u7528 B \u985e\u653e\u5927\u70ba\u4e3b\u67b6\u69cb\uff0c\u4e26\u5728\u5176\u4e2d\u52a0\u5165 A \u985e\u653e\u5927\u9069\u91cf\u7684\u76f4\u6d41\u504f\u58d3\uff0c\u4f86\u907f\u514d\u56e0\u96fb\u6676\u9ad4\u300c\u5c0e\u901a\u96fb\u58d3\u300d\u7684\u7279\u6027\uff0c\u9020\u6210 B \u985e\u653e\u5927\u4e2d\uff0c\u6700\u70ba\u4eba\u6240\u8a6c\u75c5\u7684\u300c\u4ea4\u8d8a\u5931\u771f\u300d\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-912\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.30.31-800x321.png\" alt=\"\" width=\"800\" height=\"321\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.30.31-800x321.png 800w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.30.31-510x205.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.30.31-1400x561.png 1400w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.30.31-768x308.png 768w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.30.31-1536x616.png 1536w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.30.31.png 1606w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u00a0 \u00a0 \u00a0\u5728\u67b6\u69cb\u4e0a\u65e2\u6709 B \u985e\u653e\u5927\u7684\u7279\u6027\uff0c\u53c8\u52a0\u5165\u4e86 A \u985e\u76f4\u6d41\u504f\u58d3\u7684\u89c0\u5ff5\uff0c\u56e0\u800c \u7a31\u70ba\u300cAB \u985e\u653e\u5927\u300d\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u96d6\u7136\u89e3\u6c7a\u4e86\u300c\u4ea4\u8d8a\u5931\u771f\u300d\uff0c\u4f46\u662f\u6b63\u8ca0\u5169\u500b\u653e\u5927\u5668\u662f\u5426\u5c0d\u7a31\u6027\u7684\u554f\u984c\uff0c \u9020\u6210\u8a31\u591a\u73a9\u5bb6\u51fa\u73fe\u300cAB \u985e\u653e\u5927\u5931\u771f\u5ea6\u5927\u65bc A \u985e\u7684\u523b\u677f\u89c0\u5ff5\u300d\uff0c\u5176\u5be6\u9019\u65b9\u9762\u7684\u554f\u984c\uff0c\u53ef\u5229\u7528\u300c\u8ca0\u56de\u6388\u6280\u8853\u300d\u7372\u5f97\u6539\u5584\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u4e0d\u904e\uff0c\u4e5f\u56e0\u70ba\u52a0\u5165\u4e86\u9069\u91cf\u7684\u504f\u58d3\uff0c\u4f7f\u5f97\u975c\u614b\u6d88\u8017\u529f\u7387\u4e0a\u4e0d\u5982 B \u985e\u653e\u5927\u4f86\u5f97\u7701\u96fb\uff0c\u4f46\u76f8\u8f03\u65bc A \u985e\u653e\u5927\u9084\u662f\u6709\u660e\u986f\u7684\u6539\u5584\uff0c\u56e0\u6b64\u5e02\u9762\u4e0a\u5927\u90e8\u5206\u7684\u6d88\u8cbb\u578b\u97f3\u97ff\uff0c\u591a\u63a1\u7528 AB \u985e\u9032\u884c\u653e\u5927\u3002<\/p>\n<p>\u00a0<\/p>\n<h2><span style=\"color: #800000;\">Class D \u985e<\/span><\/h2>\n<p>\u00a0 \u00a0 \u00a0\u9032\u5165 21 \u4e16\u7d00\u5f8c\uff0c\u5404\u7a2e\u651c\u5e36\u5f0f\u7684\u96fb\u5b50\u8a2d\u5099\u6210\u70ba\u4e00\u500b\u8da8\u52e2\uff0c\u5f9e\u4f5c\u70ba\u901a\u8a0a\u5de5\u5177\u7684\u624b\u6a5f\u3001\u5230\u5a1b\u6a02\u8a2d\u5099\u7684 MP3 \u64ad\u653e\u5668\u7b49\u7b49\uff0c\u5df2\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u7528\u54c1\u3002\u9019\u4e9b\u651c\u5e36\u5f0f\u7684\u8a2d\u5099\u64c1\u6709\u5169\u500b\u5171\u901a\u9ede\uff1a<strong>\u90fd\u5177\u6709\u97f3\u983b\u8f38\u51fa\u7684\u529f\u80fd\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u500b\u97f3\u983b\u653e\u5927\u5668<\/strong>\uff0c\u4e26\u4e14\u90fd\u4f9d\u9760\u96fb\u6c60\u4f9b\u96fb\u3002\u5728\u9019\u6a23\u7684\u9700\u6c42\u4e0b\uff0cD \u985e\u653e\u5927\u5668\u61c9\u904b\u800c \u751f\u3002D \u985e\u6700\u5927\u7684\u7279\u9ede\u5c31\u662f<strong><em>\u80fd\u5920\u5728\u4fdd\u6301\u6700\u4f4e\u7684\u5931\u771f\u60c5\u6cc1\u4e0b\u5f97\u5230\u6700\u9ad8\u7684\u6548\u7387<\/em><\/strong>\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0A \u985e\u3001B \u985e\u3001AB \u985e\u7684\u653e\u5927\u539f\u7406\u90fd\u662f\u5c07\u6ce2\u5f62\u76f4\u63a5\u653e\u5927\uff0c\u5229\u7528\u96fb\u6676\u9ad4\u7684 \u300c\u7dda\u6027\u653e\u5927\u300d\u7279\u6027\u3002D \u985e\u653e\u5927\u7684\u539f\u7406\u5247\u662f\u4f7f\u7528\u8108\u5bec\u8abf\u8b8a\u6280\u8853\uff08PWM\uff0c Pulse Width Modulation\uff09\uff0c\u5229\u7528\u96fb\u6676\u9ad4\u7684\u300c\u958b\u95dc\u300d\u7279\u6027\uff0c\u5c0d\u96fb\u6e90\u5be6\u884c\u9ad8\u983b\u7684\u958b\u95dc\u63a7\u5236\uff0c\u7136\u5f8c\u518d\u52a0\u4e0a\u4f4e\u901a\u6ffe\u6ce2\u5668\uff0c\u5f97\u5230\u60f3\u8981\u7684\u653e\u5927\u8a0a\u865f\u3002<\/p>\n<div class=\"row\"  id=\"row-1070611074\">\n\n\n\t<div id=\"col-1195481667\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner\" style=\"background-color:rgb(238, 240, 255);\" >\n\t\t\t\n\t\t\t\n\n<h3><span style=\"background-color: #666699; color: #ffffff;\">\u00a0\u5c0f\u5c0f\u77e5\u8b58\u5bb6\uff1a<\/span><span style=\"background-color: #666699; color: #ffffff;\">\u4ec0\u9ebc\u662f\u8ca0\u56de\u6388\uff1f\u00a0<\/span><\/h3>\n<p>\u70ba\u4e86\u6e1b\u5c11\u5931\u771f\u4e26\u4f7f\u653e\u5927\u5668\u7a69\u5b9a\u904b\u4f5c\uff0c\u6703\u5c07\u653e\u5927\u5668\u7684\u8f38\u51fa\u4fe1\u865f\u6309\u4e00\u5b9a\u6bd4\u4f8b\u9001\u56de\u8f38\u5165\u7aef\uff0c\u653e\u5927\u5668\u53ef\u4f9d\u9001\u56de\u4f86\u7684\u8f38\u51fa\u8a0a\u865f\u505a\u8abf\u6574\uff0c\u9054\u5230\u6539\u5584\u5931\u771f\u7684\u76ee\u7684\uff0c\u6b64\u904e\u7a0b\u5373\u70ba\u8ca0\u56de\u6388\uff08Negative Feedback\uff09\u3002\u901a\u904e\u8ca0\u56de\u6388\uff0c \u653e\u5927\u5668\u7684\u6027\u80fd\uff0c\u4f8b\u5982\u589e\u76ca\u7684\u7a69\u5b9a\u6027\u3001\u7dda\u6027\u3001\u983b\u7387\u97ff\u61c9\u7b49\u53ef\u4ee5\u5f97\u5230\u6539\u5584\u3002\u6b64\u5916\uff0c\u88fd\u9020\u904e\u7a0b\u4ee5\u53ca\u4f7f\u7528\u74b0\u5883\u6240\u9020\u6210\u7684\u5668\u4ef6\u53c3\u6578\u504f\u5dee\u5c0d\u653e\u5927\u5668\u6027\u80fd\u7684\u5f71\u97ff\uff0c\u53ef\u4ee5\u901a\u904e\u5f15\u5165\u8ca0\u56de\u6388\u7de9\u89e3\u3002\u7531\u65bc\u4ee5\u4e0a\u512a\u9ede\uff0c\u8ca0\u56de\u6388\u653e\u5927\u5668 \u5728\u8a31\u591a\u653e\u5927\u96fb\u8def\u4ee5\u53ca\u63a7\u5236\u7cfb\u7d71\u4e2d\u6709\u8457\u5ee3\u6cdb\u7684\u61c9\u7528\u3002\u4f46\u5fc5\u9808\u6ce8\u610f\u7684\u662f\uff0c \u4e0d\u662f\u53ea\u6709 B \u985e\u3001AB \u985e\u653e\u5927\u624d\u4f7f\u7528\u8ca0\u56de\u6388\uff0cA \u985e\u3001D \u985e\u653e\u5927\u4e2d\u70ba\u6c42\u964d\u4f4e\u5931\u771f\uff0c\u4e5f\u53ef\u767c\u73fe\u8ca0\u56de\u6388\u7684\u61c9\u7528\u3002\u4f46\u4e0d\u7576\u4f7f\u7528\uff0c\u4e5f\u5e38\u662f\u97f3\u97ff\u8a2d\u5099\u7684\u97f3\u6a02\u6027\u52a3\u5316\u4e3b\u56e0\u3002<\/p>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1195481667 > .col-inner {\n  padding: 12px 23px 5px 26px;\n  margin: 0px 8px 0px 1px;\n  border-radius: 12px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n<p>\u00a0 \u00a0 \u00a0\u8209\u4f8b\u4f86\u8aaa\uff0c\u5e38\u898b\u7684\u6295\u5f71\u6a5f\u53ef\u4ee5\u770b\u5230\u5149\u8207\u6697\uff0c\u4e26\u4e0d\u662f\u540c\u6642\u5177\u6709\u597d\u5e7e\u9846\u71c8\u6ce1\u4f86\u505a\u5207\u63db\u4eae\u5ea6\uff0c\u800c\u662f\u5229\u7528\u958b\u95dc\u71c8\u6ce1\u7684\u6642\u9593\u5dee\u4f86\u7522\u751f\u5149\u8207\u6697\u7684\u5dee\u5225\uff0c\u64f4\u5927\u6a5f\u7684\u539f\u7406\u4e5f\u662f\u4e00\u6a23\u7684\uff08\u5982\u5716 h\uff09\u3002\u7d05\u8272\u66f2\u7dda\u70ba\u8072\u97f3\u539f\u672c\u7684\u8a0a\u865f\uff0c\u5148\u85c9\u7531 \u7522\u751f\u56fa\u5b9a\u983b\u7387\u7684\u85cd\u8272\u92f8\u9f52\u6ce2\u4f86\u53d6\u6a23\u7d05\u8272\u66f2\u7dda\u7684\u6ce2\u5f62\uff0c\u7522\u751f\u51fa\u4e0d\u540c\u5bec\u5ea6\u7684 \u7da0\u8272\u65b9\u584a\u72c0\u7684\u66f2\u7dda\uff08\u7a31\u70ba Pulse \u8108\u885d\uff09\uff0c\u85c9\u7531\u9019\u4e9b\u5bec\u5ea6\u4e0d\u4e00\u7684\u8108\u885d\u4f86\u6c7a\u5b9a \u96fb\u5b50\u5143\u4ef6\u958b\u555f\u7684\u6642\u9593\u9577\u77ed\uff0c\u9032\u800c\u8907\u88fd\u4e26\u653e\u5927\u539f\u59cb\u8a0a\u865f\u7684\u6ce2\u5f62\u3002<\/p>\n<p>\u00a0 \u00a0 \u00a0\u53e6\u5916\uff0c\u6839\u64da\u6e2c\u8a66\u5f97\u77e5\uff0cD \u985e\u653e\u5927\u5668\u7684\u6548\u7387\u6975\u9ad8\u53ef\u5927\u65bc 80% \u4ee5\u4e0a\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u4ee4\u4eba\u6ce8\u76ee\u7684\u662f\uff0c\u5728\u56fa\u5b9a\u7684\u8f38\u51fa\u529f\u7387\u4e0a\uff0cD \u985e\u8a2d\u8a08\u6bd4\u4e00\u822c\u50b3\u7d71 B \u985e\u91cd\u91cf\u66f4\u8f15\u3001\u5de5\u4f5c\u6eab\u5ea6\u66f4\u4f4e\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-906\" src=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.31.32-800x265.png\" alt=\"\" width=\"800\" height=\"265\" srcset=\"https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.31.32-800x265.png 800w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.31.32-510x169.png 510w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.31.32-1400x464.png 1400w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.31.32-768x255.png 768w, https:\/\/soundbody-audio.com\/wp-content\/uploads\/2021\/03\/\u622a\u5716-2021-03-22-16.31.32-1536x509.png 1536w, 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