{"type":"product","schema_version":"1.0","item_id":"100396163141","canonical_url":"https://tw.bid.yahoo.com/item/100396163141","title":"UTC LM1875 2.1升級2030功放板 四管重低音BTL低音炮板 散件  w40  [9001048--060]","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-05-15T21:38:50.869Z","current_price":550,"original_price":null,"stock_status":"in_stock","available_quantity":9,"sold_quantity":1,"seller":{"id":"Y3802229009","name":"BUY360-IC 電子零件","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/09d213ae-c599-42c3-ae48-5d142691bf83.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/77ceb1b3-8848-44a5-9259-8e9c43ac7d14.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/f98ecc40-20a9-42ec-8148-aae5349d811c.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"buy360-ic\t最新經典設計LM1875T功放前後級一體板靚聲無噪音無電流聲高品質靚聲版2.1成品功放板，主晶片採用兩片原裝臺灣產UTC LM1875L（兩片作左右聲道放大，另兩片組成BTL作超低音輸出）和美國德州NE 5532（一片做左右聲道音效處理，另一片做低音炮低通處理）軍工級雙面玻纖PCB板材，加厚銅箔，保證品質。主濾波採用兩個全新原裝韓國三盈10000UF25V發燒電容，配置臺灣8A整流橋。五環1％金屬膜電阻，其他使用日化工、荷蘭飛利浦.台產等名牌電容，電位器採用3個優質全封閉的電位器，使整機有優越的信噪比。本功放板電路板設計的合理，美觀大方，噪音小，性價比極高，主音量高低音調節三個電位器調節，前後級一體，經典合理設計無噪音.無電流聲。方便好用，音質極佳。BTL電路由於輸出功率大，推薦低電壓，太高電壓，音質無提升，發熱增大 (不含散熱，大負載需要自己加大散熱 1875自帶過熱保護，過熱會出現斷音）\n\n\t \n\n\t提示：原裝國半LM1875晶片現已停產斷貨，市場上出現的1875晶片多為國產，請大家認清購買。此板現裝晶片為臺灣產UTC LM1875L晶片，音質和國半原裝的產區別不大，介意者甚拍。店鋪圖片沒有更換，購買看清描述。\n\n\t 工作電壓：雙交流12V輸出功率：左右聲道25W*2，    低音炮50W  採用BTL雙管超重低音 峰值100W可帶10寸低音炮（需要環牛100W以上電源）\n\t喇叭負載：左右聲道4-8歐；低音炮6-8歐；\n\tPCB尺寸：117mm*60mm=長*寬 裝好厚度42mm左右","shipping_methods":[{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"},{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"離島配送","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092073513","category_name":"其他耗材","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092073513","name":"其他耗材","url":"/tw/%E5%85%B6%E4%BB%96%E8%80%97%E6%9D%90-2092073513-category.html"}],"view_count":0,"watch_count":4}