{"type":"product","schema_version":"1.0","item_id":"101553239580","canonical_url":"https://tw.bid.yahoo.com/item/101553239580","title":"[古典音響殿]   JBL 2405 超高音單體","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-04-30T14:36:51.626Z","current_price":15000,"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/3ba80ece-2769-4b91-adfc-61d26e0b30d4.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/ba7287ca-f798-472f-b1a8-cedec293e733.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/054d7da0-3597-4dcb-a5b2-46dc21597556.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b48fc78e-e66e-4b28-9b28-bfc6af75c22d.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/3d29a102-9fd1-4617-9b79-8aed53ae0c63.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/b551ffce-405d-441a-b8ff-fb65fd2ab13f.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/c77ee9d8-c60c-46ef-b1f2-4ad139b9a136.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/ea62dbe4-d75e-4eb3-b126-f423067f9cd6.jpg","role":"detail","alt":"商品圖片 8","width":null,"height":null}],"description":"本賣場商品都是辛苦從日本找來收藏的 \n \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\n二手商品  對外觀要求十分完美的  請不要下標\n\n- 1971年發售44,500日圓（1個，1973年左右）37,000日圓（1個，1978年左右）44,000日元（1個，1981年左右）\n\n評論\n\n採用分離式號角的號角型高音揚聲器。振膜採用0.0056cm鋁箔氣壓成型，並經過電解保護處理。由於振膜發出的聲波經過繞射喇叭，方向特性大為改善。磁路採用 Alnico V 型磁鐵和直徑 44 mm 的扁繞音圈。最初型號的阻抗為 12 Ω，但從1975年左右開始改為 16 Ω。\n\n- \n\n型號評級類型號角式高音揚聲器阻抗12 Ω（初始）16 Ω（後期）喇叭開口/喉部直徑7.9x1.8厘米允許輸入（連續程序）30W（1973年目錄）20W（1975年後目錄）聲壓級105分貝/瓦/米頻率特性6.5 kHz 至 21.5 kHz定向90°x30°(16kHz)65°x25°(20kHz)交叉頻率7kHz 或以上音圈直徑/材料3.2厘米（根據1973年目錄）4.4厘米，鋁（1975年後目錄中列出）磁路重量1.5公斤磁通密度16,500高斯外形尺寸直徑 98x 深度 83 毫米重量2.7公斤（依1973年目錄）2.0公斤（1975年後目錄）","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":"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":7,"watch_count":8}