{"type":"product","schema_version":"1.0","item_id":"101727548450","canonical_url":"https://tw.bid.yahoo.com/item/101727548450","title":"※玖聲音響發燒精品※Ortofon RS-212D 9″ 動態平衡唱臂","subtitle":null,"condition":"近全新","currency":"TWD","observed_at":"2026-05-26T07:29:26.510Z","current_price":35000,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y1892375265","name":"玖聲音響發燒精品","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/4552272c-97c5-4f85-acab-c6f97f2985b6.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/8081fc49-be03-452f-8448-c58fa41eb46c.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/431f8a14-a8ff-4eab-8341-54d9d02c38b4.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"Ortofon RS-212D 9″ 動態平衡唱臂 \n\n產品詳解\nOrtofon RS-212D 是一款 9 吋動態平衡唱臂，專為追求高精度黑膠重播發燒友設計。採用可調式 VTF（針壓）系統 及 動態平衡結構，即使播放彎曲或不平整嘅黑膠唱片，仍能保持穩定循軌，大幅提升音質表現。\n\n核心技術特點\n動態平衡設計（Dynamic Balance System）\n\n有效減少唱針跳動，提升 循軌穩定性，特別適合播放 輕微變形嘅黑膠，高精度針壓調校（VTF Adjustment）\n\n直接讀數式針壓調校（0 – 5g）\n精準匹配不同唱頭需求\n抗側滑控制（Anti-Skating）\n\n減少內側循軌誤差，確保左右聲道平衡\n輕量化設計（Effective Mass: 3.5g）\n\n適合搭配 中高順服度（Compliance）唱頭\n提供更靈敏嘅音樂動態\n技術規格\n項目參數說明\n有效長度231mm（唱針至支點距離）\n安裝距離216mm（支點至轉盤中心）\n補償角（Offset Angle）22°\n超距（Overhang）15mm\n內側零點（Inner Null Point）58.5mm\n外側零點（Outer Null Point）114.5mm\n針壓調校範圍0 – 5g（直接讀數）\n高度調校範圍42mm – 57mm\n唱臂座孔徑34mm – 36mm\n中心軸直徑16mm\n固定孔位（PCD）直徑 50mm\n\n外觀品相好，原價88800元，預售35000元","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":"2092107944","category_name":"其他","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":"2092107942","name":"專業訊源","url":"/tw/%E5%B0%88%E6%A5%AD%E8%A8%8A%E6%BA%90-2092107942-category.html"},{"id":"2092107944","name":"其他","url":"/tw/%E5%85%B6%E4%BB%96-2092107944-category.html"}],"view_count":18,"watch_count":0}