{"type":"product","schema_version":"1.0","item_id":"101733763237","canonical_url":"https://tw.bid.yahoo.com/item/101733763237","title":"ACCUPHASE C-2000","subtitle":"超值AAVA.遙控器","condition":"近全新","currency":"TWD","observed_at":"2026-04-27T13:41:11.792Z","current_price":78000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y5364528692","name":"九盛音響","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/423c178d-2b99-4d19-8a99-53dad3948d45.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/dc72acd0-9747-4eaa-a917-1709e747d5bd.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/85eda35a-df91-48f8-8e6b-9c9617a6558f.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/4e4cf333-e209-436e-a83c-3fd803047038.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"Accuphase C-2000\n。它是 Accuphase 歷史上第一款搭載革命性 AAVA (Accuphase Analog Vari-gain Amplifier) 音量控制技術的入門級前級型號，該技術完全捨棄了傳統的可變電阻，避免訊號在音量調節過程中產生劣化。\n\n核心技術與設計\n- AAVA 音量控制：透過 16 種不同權重的電流轉換電路組合來調整音量，確保在任何音量下都能維持高信噪比 (S/N Ratio) 與超低失真，且不會改變頻率響應。\n- 全單聲道架構 (Dual Mono)：內部採用完全對稱的電路佈局，左右聲道各自擁有獨立的電源變壓器與濾波電容，從物理與電氣層面防止聲道間的互相干擾。\n- 短訊號路徑：利用邏輯控制繼電器 (Logic-controlled relays) 來縮短音訊傳輸路徑，確保訊號純淨度。\n- 擴充性：機身背面預留插槽，可安裝選購的數位輸入卡 (DAC) 或黑膠唱頭放大卡 (如 AD-10)，以支援現代數位訊源或黑膠播放\n聲音特性與評價\n- 解析力與細節：使用者評論指出其擁有極佳的細節還原能力，能清晰捕捉錄音中的微小變化。\n- 透明感：聲音透明乾淨、層次分明，音場表現開闊，適合古典、爵士及細緻的人聲表現\n\n-","shipping_methods":[{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳"],"category_id":"2092075250","category_name":"前級擴大機","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":"2092075250","name":"前級擴大機","url":"/tw/%E5%89%8D%E7%B4%9A%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075250-category.html"}],"view_count":48,"watch_count":1}