{"type":"product","schema_version":"1.0","item_id":"101685844265","canonical_url":"https://tw.bid.yahoo.com/item/101685844265","title":"DIATONE R305 12吋監聽喇叭","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-05-24T23:28:49.676Z","current_price":100000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y0851157799","name":"樂迷的窩","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/ee7b14de-ac3a-4694-bda0-1a2dbe3735a8.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/1086f830-b968-407f-8f37-48d922ed7a1a.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/55a64785-8524-4864-8fe3-20b1ad5f225e.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"這款揚聲器系統是在1955年發布的2S-660的基礎上，經過三年的改進而開發出來的，由 DIATONE 與NHK技術研究所合作開發。數十年來，2S-305一直被指定為BTS-6131規定的音質監測用R305，並被國內外廣播電台、專業音響製造商和聲學研究實驗室採用為標準播放系統。此外，為了確保每個組件都具有高技術精度，從外殼構造到組件組裝和安裝的整個過程均由熟練的工匠手工完成。低頻部分配備了一個12吋錐形低音揚聲器PW-125。 PW-125的振動系統採用機械濾波器，可衰減1500 Hz分頻頻率以上的高頻，即使不使用網路也能消除不必要的高頻輻射。高頻部分配備了一個5公分錐形高音揚聲器TW-25。該單元的振膜有效振動半徑為2cm，磁路採用鐵鈷合金，據稱這種合金擁有磁性材料中最高的飽和磁通量之一，從而實現了高效率。箱體採用低音反射設計。每片樺木和柳安木薄板均粘合在一起，外角採用圓角處理，以防止衍射影響中高頻範圍並提高機械強度。每個單元都寬 650 x 高 880 x 深 445 毫米50 公斤\n\n音響評論家菅野興彥評論道： 　「它的聲音如同盛開的櫻花，精緻、簡潔卻又不失奢華，其平衡感和音色的精緻，只能用『優雅』來形容。」","shipping_methods":[{"name":"宅配/貨運","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳"],"category_id":"2092075255","category_name":"主喇叭","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":"2092075254","name":"喇叭","url":"/tw/%E5%96%87%E5%8F%AD-2092075254-category.html"},{"id":"2092075255","name":"主喇叭","url":"/tw/%E4%B8%BB%E5%96%87%E5%8F%AD-2092075255-category.html"}],"view_count":3,"watch_count":0}