{"type":"product","schema_version":"1.0","item_id":"101652996291","canonical_url":"https://tw.bid.yahoo.com/item/101652996291","title":"[古典音響殿] PHILIPS LHH A200 綜合擴大機","subtitle":"電壓:100V . 40W+40W（8Ω）.","condition":"近全新","currency":"TWD","observed_at":"2026-05-16T17:08:21.069Z","current_price":18000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y5139053508","name":"[古典音響殿]二手音響收藏交流","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/edf49a12-e917-4118-af51-dbfad7f7a7b0.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/4ae49fbe-abc3-4709-be2d-4fcdb26d8a55.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/bd0b76f4-b20e-437f-b104-6d8cb90e1e43.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/85518afa-e68e-45f4-bc3e-46ab8e8e4b04.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/17769a70-b1c2-44af-a5c5-4eaa940a1ee7.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/bbd60f66-9a85-495e-ae12-2fb0d4a2fb43.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/e39015a0-4947-41d2-94ca-29acdc8ed309.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/a0229a77-7a3a-4e92-a303-4a04ebc59cbd.jpg","role":"detail","alt":"商品圖片 8","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/bea6e9e8-da3a-4b7e-ad49-7ea8c759e788.jpg","role":"detail","alt":"商品圖片 9","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b12ed7f7-dff5-4093-ba6e-e3cb5452fbbf.jpg","role":"detail","alt":"商品圖片 10","width":null,"height":null}],"description":"本賣場商品都是辛苦從日本找來收藏的 \n\n當然美品價格不會太低但也是較有收藏的價值\n\n 請買家注意  務必在得標後五日內結帳  然後七日內付款\n\n二手商品  對外觀要求十分完美的  請不要下標\n\n PHILIPS LHH A200- （1995年左右）\n\n　評論　\n\n繼承了 LHH A700 技術的同時賦予表現力的集成放大器。採用低NFB高速電壓放大級。在LHH A200中，電壓放大級由寬帶、小容量雙極晶體管組成。結果，與過去相比，應用NFB之前的裸特性（開環頻率特性）顯著改善至500kHz（-3dB），並且通過最小化NFB和平坦的相位特性，極大地改善了動態特性。作為電流放大級的功率級和驅動級採用高速開關元件MOS-FET，重視線性度，考慮單一推挽結構。通過致力於低阻抗驅動，我們實現了200V/μ的壓擺率和整體超高速放大器。此外，在LHH A200中，來自揚聲器的反電動勢的影響被設置為不延伸到第一級的無反饋電流放大級。其結果是，不僅對於低負載，對於容性負載也能實現出色的穩定性，並且可以消除普通 NFB 放大器中不可避免的缺陷輸出線圈，從而實現動態特性的進一步改進。我來了。音量採用電流驅動型低阻抗音量。在該系統中，由於信號電流不通過碳電阻器或游標觸點，因此將音質惡化降至最低。電源部分搭載260VA大容量EI鐵芯變壓器。該變壓器通過採用±另外的繞組和另外的整流來提高對於變動的穩定性。此外，通過將大量使用低放大率箔的定制電解電容器與平滑電容器並聯連接，徹底實現了低阻抗和高速。電源地採用直徑2.0mm的OFC母線。頂蓋採用1.6毫米厚鋼板，底架採用2.0毫米厚鍍銅鋼板，實現高剛性。採用抗振性優良的煙囪式散熱器，與頂蓋和底殼相連，增加了底殼的剛性。支腿採用燒結合金配重支腿，三點支撐系統（可選擇點接觸或面接觸）。我們使用精心挑選的高級零件。採用±1%金屬膜電阻、高耐壓音響電解電容、鍍銀雲母電容等。此外，還使用了高度可靠的部件，如機加工黃銅 RCA 針插孔、香蕉插頭兼容虎鉗型揚聲器端子和鍍金接觸繼電器。有鋁製側板和黃銅點底座作為選項單獨出售。\n\n- \n\n  - \n - \n - \n - \n - \n型號評級模型功率緩衝放大器額定輸出40W+40W（8Ω，20Hz-20kHz）80W+80W（4Ω，1kHz）輸入靈敏度/阻抗450mV/10kΩ頻率特性（1W輸出時）5Hz至350kHz +0 -1dB輸出帶寬7Hz - 110kHz（20W/8ohm，雙通道驅動時）總諧波失真0.2%（8歐姆額定輸出時，20Hz - 20kHz）信噪比105dB（A曲線校正）轉換率200V/μ秒以上能量消耗160W外形尺寸寬437x高110x深384mm重量13公斤","shipping_methods":[{"name":"宅配/貨運","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清"],"category_id":"2092075252","category_name":"綜合擴大機","breadcrumb":[{"id":"2092101502","name":"家電與影音視聽","url":"/tw/%E5%AE%B6%E9%9B%BB%E8%88%87%E5%BD%B1%E9%9F%B3%E8%A6%96%E8%81%BD-2092101502-category.html"},{"id":"2092105885","name":"影音/視聽/MP3","url":"/tw/%E5%BD%B1%E9%9F%B3-%E8%A6%96%E8%81%BD-MP3-2092105885-category.html"},{"id":"2092075249","name":"擴大機","url":"/tw/%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075249-category.html"},{"id":"2092075252","name":"綜合擴大機","url":"/tw/%E7%B6%9C%E5%90%88%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075252-category.html"}],"view_count":22,"watch_count":5}