{"id":2317,"date":"2020-02-07T18:12:32","date_gmt":"2020-02-07T10:12:32","guid":{"rendered":"http:\/\/famous-av.com\/?p=2317"},"modified":"2020-02-07T18:12:32","modified_gmt":"2020-02-07T10:12:32","slug":"original-opa-5a-%e8%86%bd%e9%9f%bb%e6%bf%83%e9%83%81%e7%9a%84%e5%bc%b7%e5%8a%9b%e8%80%b3%e6%93%b4","status":"publish","type":"post","link":"https:\/\/famous-av.com\/?p=2317","title":{"rendered":"Original OPA-5A \u81bd\u97fb\u6fc3\u90c1\u7684\u5f37\u529b\u8033\u64f4"},"content":{"rendered":"

\"\"<\/p>\n

\u5728\u73e0\u6d77\u5275\u696d\u7684Original\u7522\u54c1\u6027\u50f9\u6bd4\u96d6\u9ad8\uff0c\u4f46\u8fd1\u5e74\u53d7\u5230\u4e32\u6d41\u97f3\u6a02\u5e73\u53f0\u5f71\u97ff\u95dc\u4fc2\uff0c\u4e00\u76f4\u5c08\u6ce8\u65bc\u88fd\u9020\u96f7\u5c04\u5531\u76e4\u7684Original\u96e3\u514d\u56e0\u5e02\u5834\u840e\u7e2e\u800c\u5099\u53d7\u885d\u64ca\uff0c\u751a\u81f3\u6709\u9000\u96b1\u6c5f\u6e56\u8de1\u8c61\uff0c\u7336\u5e78\u5728 2016\u5e74\u4ed6\u5011\u958b\u59cb\u518d\u5ea6\u6d3b\u8e8d\u8d77\u4f86\uff0c\u4ee5\u4e00\u90e8\u6539\u7248\u81eaA8\u96f7\u5c04\u5531\u76e4\u4e4b\u5d84\u65b0\u88fd\u4f5c\u91cd\u6b78\u5e02\u5834\uff0cA8MK \u7684\u51fa\u73fe\uff0c\u4f7f\u25cbriginal\u518d\u5ea6\u53d7\u5230\u611b\u6a02\u4eba\u58eb\u6ce8\u76ee\uff0c\u7dca\u63a5\u800c\u4f86\u25cbriginal\u9084\u63a8\u51fa\u9644\u8033\u64f4\u529f\u80fd\u7684 OPA\u7cfb\u5217\u81bd\u5408\u4f75\u5f0f\u653e\u5927\u5668\uff01\u671f\u671b\u64f4\u95ca\u5e02\u5834\uff0c\u4eca\u6b21\u6240\u8a66\u7684\u25cbPA-5A\u4fbf\u662f Original\u6700\u65b0\u63a8\u51fa\u7684\u540c\u985e\u578b\u666e\u53ca\u7522\u54c1\u3002<\/p>\n

\u4efd\u91cf\u5341\u8db3\u7684\u8a2d\u8a08<\/strong><\/span><\/p>\n

\"\"OPA-5A \u8207 Original \u65e9\u524d\u63a8\u51fa\u7684\u842c\u5143\u7d1a\u5408\u4f75\u653e\u5927\u5668\u6700\u5927\u5206\u5225\uff0c\u5728\u5f8c\u7d1a\u90e8\u4efd\u6240\u7528\u5169\u652f\u653e\u5927\u7ba1\uff0c\u73fe\u5df2\u7531 KT88 \u5206\u5225\u53d6\u4ee3 OPA-2A \u7684 2A3 \u548c OPA-3A \u7684 300B \u4e4b\u4f4d\u7f6e\uff0c\u524d\u7d1a\u90e8\u4efd\u5247\u4e00\u5982\u4ee5\u5f80\u61c9\u7528\u5169\u652f 12AU7\u3002\u7531\u65bc OPA-5A \u7684\u88fd\u4f5c\u76ee\u6a19\u662f\u8981\u8b93\u6a02\u8ff7\u5207\u8eab\u9ad4\u9a57 KT88 \u96c4\u6e3e\u6709\u529b\u7684\u97f3\u6548\uff0c\u56e0\u6b64 Original \u7279\u70ba\u6b64\u8a02\u88fd\u96fb\u6e90\u548c\u8f38\u51fa\u8b8a\u58d3\u5668\uff0c\u4f9b\u96fb\u90e8\u4efd\u6240\u7528\u7684\u66f4\u5c6c\u6f0f\u78c1\u7279\u4f4e\u7684\u74b0\u725b\uff0c\u4e26\u4ee5\u512a\u8cea PCB \u7dda\u8def\u677f\u7a69\u5b9a\u92b2\u63a5\u6240\u7528\u7684\u6bcf\u7c92\u96fb\u5b50\u96f6\u4ef6\u3002\u96fb\u8def\u4e2d\u53ef\u898b OPA-5A \u7b2c\u4e00\u7d1a\u904b\u7528\u96d9 12AU7 \u4e09\u6975\u7ba1\u4f5c\u8a0a\u865f\u653e\u5927\uff0c\u4e26\u5728\u5176\u9670\u6975\u96fb\u963b\u4e26\u806f 100u \u96fb\u5bb9\uff0c\u7b2c\u4e8c\u7d1a\u540c\u7528 12AU7\uff0c\u4e26\u4ee5\u9670\u6975\u65b9\u5f0f\u4f5c\u63a8\u52d5\u7d1a\uff0c\u76ee\u7684\u5728\u78ba\u4fdd\u64c1\u6709\u7406\u60f3\u4f4e\u963b\u7528\u4ee5\u9a45\u52d5\u7b2c\u4e09\u7d1a\u6240\u7528\u7684\u5169\u652f KT88\uff0c\u7136\u5f8c\u518d\u4ee5\u5169\u96bb\u983b\u5bec\u7279\u95ca\u7684\u65e5\u672c Z11 \u9435\u82af\u4e4b El \u578b\u8f38\u51fa\u8b8a\u58d3\u5668\u4f5c\u914d\u5408\uff0c\u4f7f\u63a1\u7528 A\u985e\u55ae\u7aef\u529f\u7387\u653e\u5927\u7684 OPA-5A \u80fd\u70ba 4-8\u03a9 \u7684\u63da\u8072\u5668\u5b8c\u6eff\u63d0\u4f9b 8W+8W \u529f\u7387\uff0cOPA-5A\u8033\u64f4\u5728\u5e73\u8861\u8f38\u51fa\u6642\u9054 4500mW + 4500mW (32\u03a9), \u55ae\u7aef\u8f38\u51fa\u5728\u540c\u4e00\u963b\u6297\u4e0b\u4ea6\u9054 1000mW + 1000mW\uff0c\u900f\u904e\u4f7f\u7528\u65e5\u672c ALPS \u7684 27\u578b\u96fb\u4f4d\u5668\u4f5c\u97f3\u91cf\u8abf\u63a7\uff0c\u80fd\u70ba\u97f3\u6a02\u91cd\u64ad\u5e36\u4f86\u7406\u60f3\u64cd\u63a7\uff0c\u800c\u4e14 OPA-5A\u5728\u6554\u52d5\u5f8c\u8a2d\u6709 30\u79d2\u975c\u97f3\u5ef6\u6642\u529f\u80fd\uff0c\u78ba\u4fdd\u5de5\u4f5c\u7a69\u5b9a\u800c\u771f\u7a7a\u7ba1\u7d93\u4e45\u8010\u7528\u3002\"\"<\/p>\n

\u85c9\u85cd\u7259\u628a\u81bd\u6a5f\u529f\u80fd\u5168\u9762\u64f4\u95ca<\/strong> <\/span><\/p>\n

OPA-5A \u96d6\u5c6c\u50b3\u7d71\u771f\u7a7a\u7ba1\u653e\u5927\u5668\uff0c\u4f46\u537b\u5099\u6709 AptX \u85cd\u7259\u63a5\u6536\u529f\u80fd\uff0c\u53ef\u898b Original \u4e0d\u6703\u6545\u6b65\u81ea\u5c01\uff0c\u65e2\u8003\u616e\u5230\u57fa\u672c\u767c\u71d2\u53cb\u9700\u8981\uff0c\u4ea6\u5145\u4efd\u7167\u9867\u5230\u4e00\u7fa4\u64c5\u65bc\u904b\u7528\u55ae\u4e00\u624b\u6a5f\u4fbf\u8db3\u4ee5\u505a\u9f4a\u65e5\u5e38\u5404\u985e\u9700\u8981\u7684\u7db2\u7d61\u578b\u4eba\u58eb\u61c9\u7528\u60c5\u6cc1\uff0c\u8b93\u91cd\u578b\u7d50\u69cb\u7684 OPA-5A\uff0c\u7528\u9014\u5f97\u4ee5\u85c9\u6b64\u64f4\u95ca\u3002\u4e0d\u904e\u7531\u65bc Original \u59cb\u7d42\u662f\u50b3\u7d71\u97f3\u97ff\u88fd\u9020\u5ee0\uff0cOPA-5A \u53ea\u8a2d\u5e73\u8861 XLR \u548c\u975e\u5e73\u8861 RCA \u6a21\u64ec\u8f38\u5165\u5404\u4e00\u7d44\uff0c\u56e0\u6b64\u6700\u5b9c\u8207\u50b3\u7d71\u96f7\u5c04\u5531\u76e4\u5339\u914d\uff0c\u800c\u540c\u5ee0 A8MK\u5728\u9019\u65b9\u9762\u6b63\u662f\u7406\u60f3\u5c0d\u8c61\uff0c\u53ea\u56e0\u6539\u7248\u81ea A8 \u7684\u9019\u90e8\u96f7\u5c04\u5531\u76e4\u9020\u578b\u7c21\u6f54\uff0c\u5167\u90e8\u4f7f\u7528 NXP \u76845AA7824 \u4f3a\u670d\u7cfb\u7d71\u914d\u5408 KSS 213CL \u96f7\u5c04\u6a5f\u82af\u904b\u4f5c\uff0cD\/A\u6578\u6a21\u89e3\u78bc\u5247\u7528 Cirrus Logic CS4398 \u7684 24bit\/1 92kHz \u82af\u7247\uff0c\u800c\u5de6\u53f3\u8072\u9053\u4ea6\u5404\u81ea\u4f7f\u7528 \u4e00\u7247 BB 134PA \u904b\u653e\uff0c\u78ba\u4fdd CD \u91cd\u64ad\u7372\u6709\u6548\u8655\u7406\uff0c\u4eca\u914d\u5408 Sennheiser HD800 \u548c Denon AH-D9200 \u982d\u6234\u5f0f\u8033\u6a5f\u4f7f\u7528\uff0c\u63da\u8072\u5668\u5247\u4f7f\u7528 Focus Audio FC6SE \u548c Cyrus One Linear\uff0c\u5404\u65b9\u9762\u8868\u73fe\u7686\u982d\u982d\u662f\u9053\uff0c\u53ef\u898b Original OPA-5A \u6a19\u793a\u7684\u529f\u7387\u8f38\u51fa\u96d6\u7136\u770b\u4f3c\u4e0d\u5927\uff0c\u4f46 8W + 8W \u8f38\u51fa\u7684 KT88 \u537b\u4e0d\u6703\u529b\u4e0d\u5f9e\u5fc3\uff0c\u9a45\u7b56 Focus Audio \u66f8\u67b6\u63da\u8072\u5668\uff0e\u80fd\u5e36\u4f86\u73b2\u74cf\u6d6e\u51f8\u7684\u97f3\u5834\u8868\u9054\uff0c\u6539\u7528 Cyrus One Linear \u516c\u5f8c\u5247 OPA- 5A \u9a45\u52d5\u8d77\u4f86\u66f4\u898b\u5f97\u5fc3\u61c9\u624b\uff0c\u4e14\u6240\u9700\u82b1\u8cbb\u66f4\u4f4e\uff0c\u9023\u8a0a\u865f\u7dda\u8207\u5587\u53ed\u7dda\u4ecd\u5728\u5169\u842c\u5143\u4ee5\u4e0b\uff0c\u7136\u800c\u8ad6\u5230\u8868\u73fe\u51fa\u8272\uff0c\u8033\u64f4\u90e8\u4efd\u624d\u662f OPA-5A \u7684\u7cbe\u83ef\u6240\u5728\uff0c\u6240\u4ee5\u82e5\u53ea\u8003\u616e\u4ee5\u8033\u6a5f\u5efa\u7acb\u79c1\u4eba\u97f3\u6a02\u5ef3\uff0c\u9019\u90e8\u81bd\u8033\u64f4\u5c31\u7279\u5225\u5408\u9069\uff0c\u800c\u900f\u904e\u6a5f\u9762\u5de6\u5074\u7684\u6309\u9215\uff0c\u5c31\u80fd\u8f15\u6613\u5207\u63db\u8033\u64f4\u548c\u5587\u53ed\u8f38\u51fa\uff01<\/p>\n

\"\"<\/p>\n

\u8072\u97f3\u67d4\u6f64\u4e4b\u4e2d\u5bcc\u6fc3\u90c1\u8499\u60c5<\/strong><\/span><\/p>\n

\u4f7f\u7528\u4e00\u5c0d KT88 \u7684 Original OPA-5A \u7684\u8033\u64f4\u8f38\u51fa\u5e73\u7a69\u6709\u529b\uff0c\u7121\u8ad6\u8033\u6a5f\u963b\u6297\u9ad8\u4f4e\uff0c\u90fd\u80fd\u5e36\u52d5\u51fa\u6fc3\u60c5\u6eff\u6ea2\u7684\u50b3\u771f\u97f3\u6548\uff0c\u800c\u6240\u5177\u7121\u5339\u52c1\u5ea6\uff0c\u66f4\u4f7f\u5176\u6700\u9069\u5b9c\u8207\u5927\u578b\u76e3\u807d\u7d1a\u982d\u6234\u5f0f\u8033\u6a5f\u914d\u5408\uff0c\u7531\u65bc OPA-5A \u5c6c\u771f\u7a7a\u7ba1\u8a2d\u8a08\uff0c\u8072\u97f3\u5e36\u7d93\u5178\u81bd\u6a5f\u7368\u6709\u6eab\u6696\u548c\u8ae7\u611f\uff0c\u8207\u540c\u985e\u8cb4\u50f9\u6a5f\u7a2e\u76f8\u540c\uff0c\u6709\u52a9\u4e2d\u548c\u6578\u78bc\u97f3\u97ff\u7d93\u5e38\u51fa\u73fe\u7684\u51b7\u51b0\u51b0\u611f\u89ba\uff0c\u8046\u807d\u4eba\u8072\u4f5c\u54c1\u6642\u5c31\u6700\u80fd\u53cd\u6620\u5176\u5728\u9019\u65b9\u9762\u7684\u512a\u52e2\uff0c\u7121\u8ad6\u662f\u807d Eva Cassidy \u6216 Mary Black, Eagles \u6216\u7389\u7f6e\u6d69\u4e8c\u7684\u4f5c\u54c1\u90fd\u53eb\u4eba\u6df1\u6df1\u611f\u52d5\uff0c\u67d4\u6f64\u81ea\u7136\u53c8\u6eab\u6696\u7684\u81bd\u97fb\u6b63\u662f OPA-5A \u975e\u540c\u51e1\u97ff\u8655\u3002\u4ee5 Denon AH-D9200 \u8207\u4e4b\u914d\u5408\uff0cOPA-5A \u5bcc\u52d5\u611f\u7684\u9a45\u7b56\u529b\u4f7f\u4e2d\u4f4e\u983b\u986f\u5f97\u96c4\u6e3e\u800c\u98fd\u6eff\uff0c\u800c\u4e14\u96d6\u5247\u529b\u91cf\u611f\u6f8e\u6e43\uff0c\u4f46\u537b\u7121\u7919\u4eba\u8072\u8cea\u611f\u8868\u9054\uff0c\u518d\u73fe\u6d41\u884c\u8207\u6416\u6efe\u97f3\u6a02\u6700\u80fd\u807d\u5230\u4eba\u6e3e\u8eab\u706b\u71d9\uff0c\u7dca\u96a8\u97f3\u6a02\u7bc0\u594f\u8d77\u821e\uff0c\u6539\u800c\u4f7f\u7528 OPA-5A\u76844\u91dd\u5e73\u8861\u96fb\u8def\u9a45\u52d5 Sennheiser HD800 \u7684\u97f3\u97ff\u6548\u679c\u5c31\u66f4\u662f\u4e0d\u5f97\u4e86\uff0c\u9ad8\u3001\u4e2d\u3001\u4f4e\u983b\u518d\u73fe\u986f\u5f97\u5e73\u8861\u6709\u5ea6\uff0c\u8a0a\u606f\u91cf\u8c50\u5bcc\u5730\u4f7f\u6bcf\u500b\u7d30\u7bc0\u7d55\u4e0d\u907a\u6f0f\u5730\u6a23\u6a23\u9f4a\uff0c\u4e14\u5206\u6790\u529b\u6975\u9ad8\u7684\u540c\u6642\u66f4\u4e0d\u6703\u5448\u73fe\u4efb\u4f55\u5c16\u524a\u73fe\u8c61\uff0c\u80fd\u56e0\u6b64\u6709\u6548\u628a\u97f3\u6a02\u4e2d\u860a\u85cf\u7684\u5fae\u7d72\u672b\u7bc0\u4e00\u4e00\u5949\u4e0a\uff0c\u85c9\u6240\u5177\u4eba\u6027\u5316\u8072\u6548\u76e3\u807d\u5404\u985e\u578b\u97f3\u6a02\u76e1\u7686\u8868\u73fe\u5f97\u7cbe\u5f69\u7d55\u502b\uff0c\u800c\u4e14 OPA-5A \u5728\u5169\u7d44\u8033\u6a5f\u4e00\u4f75\u9023\u63a5\u7684\u60c5\u6cc1\u4e0b\u80fd\u5920\u540c\u6642\u8f38\u51fa\u8a0a\u865f\uff0c\u4ee3\u8868\u85c9\u6b64\u80fd\u8207\u81f3\u611b\u89aa\u670b\u5206\u4eab\u7acb\u9ad4\u8072\u97f3\u6a02\uff0c\u4ee5\u5927\u5bb6\u5404\u81ea\u64c1\u6709\u7684\u8033\u6a5f\u540c\u6642\u54c1\u54730 PA-5A\u518d\u73fe\u611f\u6027\u81ea\u7136\u4e4b\u512a\u7f8e\u65cb\u5f8b\u3002<\/p>\n

\"\"<\/p>\n

\u7e3d\u7d50<\/strong><\/span><\/p>\n

Original OPA-5A \u6240\u5177\u81bd\u6a5f\u97fb\u5473\u7d55\u975e\u4e00\u822c\u539f\u5b50 \u7c92\u6a5f\u53ef\u6bd4\uff0c\u800c\u8207\u540c\u5ee0 A8MK \u5169\u8005\u5339\u914d\u8d77\u4f86\uff0c \u552e\u50f9\u50c5\u7d04\u4e00\u842c\u6e2f\u5143\uff0c\u914d\u5408 QED \u8a0a\u865f\u7dda\u9023\u63a5\u4f7f \u7528\uff0c\u4e03\u4edf\u9918\u5143\u4ee3\u50f9\u5df2\u80fd\u53d6\u5f97\u76f8\u7576\u7406\u60f3\u7684\u97f3\u97ff\u6548\u679c\uff0c\u800c\u8d70\u6046\u4e45\u4e0d\u8b8a\u7d93\u5178\u8def\u7dda\u7684 Original \u66f4\u5728\u88fd\u4f5c\u4e0a\u6c92\u6709\u5077\u5de5\u6e1b\u6599\uff0c\u4efd\u91cf\u5341\u8db3\u7684\u7d50\u69cb\u52a0\u4e0a\u5728\u904b\u4f5c\u6642\u7531KT88\u767c\u51fa\u300a\u82b1\u6a23\u5e74\u83ef\u300b\u822c\u60c5\u8abf\u7684\u71c8\u7d72 \u5149\u8292\uff0c Original OPA- 5A \u6b63\u5408\u6d3b\u65bc\u73fe\u4ee3\u57ce\u5e02\u5167\u4e00\u7fa4\u937e\u60c5\u65bc\u61f7\u820a\u98a8\u683c\u7684\u611b\u6a02\u4eba\u58eb\u6240\u9700\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u73e0\u6d77\u5275\u696d\u7684Original\u7522\u54c1\u6027\u50f9\u6bd4\u96d6\u9ad8\uff0c\u4f46\u8fd1\u5e74\u53d7\u5230\u4e32\u6d41\u97f3\u6a02\u5e73\u53f0\u5f71\u97ff\u95dc\u4fc2\uff0c\u4e00\u76f4\u5c08\u6ce8\u65bc\u88fd\u9020\u96f7\u5c04\u5531\u76e4\u7684Origi … <\/p>\n

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