{"type":"product","schema_version":"1.0","item_id":"100541059938","canonical_url":"https://tw.bid.yahoo.com/item/100541059938","title":"後級3.美國 Adcom GFA-555 II 前旗艦MONO MONO 後級*2台, 600 W*2 大電流功放, 特價4.5萬","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-05-02T17:47:38.407Z","current_price":35000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y3163283281","name":"超高音專賣店(以油罐電容為主)","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/1bf7438d-8dca-4483-9f60-9b6392a56292.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/860182d1-990a-41ba-8bca-4c26924655fc.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/3ae4eb0f-0d5c-4db9-950a-3b7024775aac.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/4ad82edf-d37c-4b96-b7d7-afb9c7c82b66.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/320be4c2-7e5a-4234-a5ba-991a322ea955.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/84dc24c7-3e4f-412a-af72-fc17eb937695.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null}],"description":"1.美國  Adcom GFA-555 II 前旗艦 後級, 200 W*2 大電流AMP, 2台改成mono mono使用=600w*2美國發燒天書 Stereophile 推薦最佳榜單。 本機內線全部生及成7NOCC鍍銀線與4N純銀內線.聲音的質感大大的進步。\n2.由創立PassLabs 的Nelson Pass設計了當時轟動一時的AdcomGFA555 II （內線已升級成7NOCC單晶銅鍍銀線及4N純銀線.價格合宜，輸出功率大，推力與音質不俗）。隨後，他也設計許多Adcom的前級與後級(知道Adcom擴大機是Nelson Pass設計的人恐怕不多)。 \n \n3.ADCOMGFA-555II力大無窮！Adcom555II可以驅動Apogee 喇叭.因為Apogee低於2歐姆. 當時僅昂貴的AMP有能力驅動Apogee.但GFA-555 II例外(好聲+夠力)。 \n\n4.Adcom用料滿猛的,目視約1000VA的大型環型變壓器,15000uF電容X4, 合計电源滤波电容為60,000 μF,每聲道8顆TOSHIBA 鐵殼功率晶體,共用了16顆鐵殼功率晶體,輸出200W強勁推力(可橋接成單聲道600W)。 \n5.Adcom GFA 555 II是由Nelson Pass所設計(Pass 老闆)，這個晶體後級有著寬廣且深的音場，音像優異，聲音中肯，高頻平順，開展且富細節，低頻的份量與控制優異。 \n\n6.ADCOM音色算溫暖飽滿, 高頻解析佳且柔不刺激, 細節豐富 ，形體感和定位都相當不錯 動態與推力算是強項, 以 4-5萬多能買到真正大電流200W/8ohm/ch真的很超值。 \n\n7.Adcom的高頻相當的柔, 這使之喪失了一些高頻上清晰堅實的質感, 這種稍微軟化的現象在三角鐵及鈸敲擊上最明顯, 尤其是連續鈸聲的解析力上(但是這個問題是可以經由電源線及訊號線來予以調整的)。中性的音色以音色來論、這套Adcom 是無色的、極為中性、沒有任何色彩、這種表現與它的身份相符、若是它們能夠在溫柔的透明感及弦樂的光澤上更上層樓的話(仍是可以經由電源線及訊號線來予以調整的)、那麽它們就可躋身進入Hi-End的殿堂。","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"],"category_id":"2092075251","category_name":"後級擴大機","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":"2092075251","name":"後級擴大機","url":"/tw/%E5%BE%8C%E7%B4%9A%E6%93%B4%E5%A4%A7%E6%A9%9F-2092075251-category.html"}],"view_count":14,"watch_count":19}