Sony 發表為職業監聽級需求打造的 Stage Monitor 入耳耳機 IER-M7 、 IER-M9 ,與導入部分 MDR-Z1R 技術的 MDR-Z7M2 鑑賞耳機

2018.08.09 05:54PM
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Sony 在此次的新品發表,也推出全新的 Stage Monitor 系列入耳式耳機,以主打錄音室級的兩種不同空間的監聽風格,與還原麥克風收音的原聲,鎖定專業音樂人與追求原音重現的玩家,另外也宣布推出基於 2014 年發表的 MDR-Z7 的改版 MDR-Z7M2 ,在既有的 MDR-Z7 融入部分 MDR-Z1R 的技術,使聲音更純淨、自然。

IER-M7 與 IER-M9 八月起陸續在全球上市,香港建議售價為 5,190 港幣與 9,490 港幣,台幣約為 2.1 萬台幣與 3.8 萬台幣, MDR-Z7M2 預計在九月於台灣上市,建議售價為 5,490 港幣,約台幣 2.2 萬元。

為專業音樂人與追求原聲玩家的 IER-M7 與 IER-M9

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在專業監聽設備領域, Sony 不僅有悠久的發展歷史,加上結合 Sony Music 旗下製作人、歌手與其專業錄音室的專業後製人員的協助,在專業錄音領域的產品品質也是有口皆碑,此次兩款全新的 Stage Monitor 系列入耳式耳機,亦可說是為專業人員與追求原音重現的玩家所規劃的產品。

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IER-M9

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IER-M7

或許是由於隸屬 Stage Monitor 專業監聽,兩款耳機的造型與配色不若真對消費端的 XBA 或是此次的 IER-ZR 一樣高調, IER-M7 採用亮黑色外殼搭配鋁合金半光澤面板,而 IER-M9 則採用鎂殼霧黑磨砂處理,面板採用碳纖維,外型也強調針對耳型配戴的舒適性、穩定性強化,即便歌手在舞台動態表演配戴亦不易掉落。

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IER-M9 導管與障板為一體成形的鎂鋁合金件

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IER-M7 障板與導管為兩塊零件,導管材質與 XBA-N3 同為黃銅材質

兩款耳機的內框採用 Sony 在高階入耳式耳機常用的鎂合金結構,單體之間的聲音採自然融合而非獨立導管, 外觀除了顏色與表面處理外以外,在細部也有些許的不同; IER-M9 除了外觀與內框同為鎂合金材質以外,導管與障板採用一體成形結構,而 IER-M7 的導管與障板則為兩塊獨立件,導管採用黃銅材質。

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兩款耳機皆為多平衡電樞設計, IER-M9 採用 5 平衡電樞,而 IER-M7 採用 4 平衡電樞,全為 Sony 自行開發的 XBA 單體,分頻的方式是多個單體之間的發聲範圍交錯涵蓋的多路分音,兩者基本共用同樣的四顆單體,基於一顆極低頻單體,搭配一顆中偏低單體,一顆中頻單體,以及一顆高頻單體,不過 IER-M9 在既有的配置上再多一顆類似 IER-Z1R 的鍍金接點、鍍銀線圈與鎂震動板的極高頻單體,使空間感更為完整。

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而兩者附屬的線材在外觀有些許的差異,暫不確定兩者只是隔離層點綴的差別,或是線芯亦有不同;不過值得注意的是,兩款耳機刻意降低靈敏度換取細節資訊量,對手機來說更不易達到聆聽音量,以筆者 ZX300 的平衡端輸出為例,搭配筆者個人使用改成平衡端子的 MDR-EX800ST 音量約為 20 , IER-M7 與 IER-M9 則需近 50 的音量才能得到相近聽感。

至於聲音風格方面, IER-M7 接近近場的兩聲道書架式揚聲器或是封閉式監聽耳機的聽感,音場凝聚而資訊集中,至於 IER-M7 則像是在錄音室的小型空間聆聽的空間感,兩者的聲音相當均衡,顯然是以三頻均衡的調音方式而非在特定頻率染色,十足的監聽特色。

全新振膜與費波納契框架,達 100kHz 的 MDR-Z7M2

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左為 MDR-Z7M2 的新開發 70mm 單體,右為 MDR-Z7 的 70mm 單體,可看到正面的球頂與背面磁體設計大為不同

事隔 4 年, Sony 推出 MDR-Z7 後繼的 MDR-Z7M2 ,雖在外型乍看下僅是將原本的 MDR-Z7 改為全黑,不過藉由共享 MDR-Z1R 部分技術,採用全新開發的 70mm 鍍鋁液晶分子震膜與更大型的高磁力磁鐵,球頂部分加大到與 MDR-Z1R 相同,搭配更高穿透率的費波納契黃金分割框架,使 MDR-Z7M2 的頻響進一步延展到 4Hz-100kHz 的規格,超越原本 80kHz 。

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MFR-Z7M2 的外觀與 MDR-Z7 可由整體配色區分,以與 MDR-Z1R 風格近似的全黑配色取代原本黑銀交錯,使耳機看起來更具質感,不過並未採用 MDR-Z1R 獨特的和紙工藝、類似 MDR-R10 的框體,仍維持與 MDR-Z7 金屬全封閉外型,而新設計的耳罩加厚並採用更低回彈的材質,也強調較原本 MDR-Z7 更舒適、降低長時間的悶熱感。

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框體採用新設計的節奏響應聲學開口,以對稱開口圍繞框體一圈,做為控制驅動單體後方氣流的手段,較 MDR-Z7 不規則開口更穩定,能夠在低頻範圍控制氣流阻力,並改善單體對於低頻的瞬態表現。

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此外還有一些從外觀難以察覺的細部改善,像是在插孔使用無鉛銲料與含鎳矽的銅合金接點,並搭配 Sony 開發的音響級焊料降低傳輸的損耗,同時插孔使用低電阻與高耐用性的卡遜銅合金。

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線材部分,因應 Sony 導入 4.4mm 端子, MDR-Z7M2 將提供一條 3.5mm 單端以及一條 4.4mm 平衡端子,線體材質為鍍銀銅線,插座也與 MDR-Z7 一樣採雙 3.5mm 搭配螺旋式鎖定環。

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在導入新一代的單體設計、節奏響應聲學開口與費波納契黃金分割框架後, MDR-Z7M2 相較 MDR-Z7 低頻的量感減少許多,高頻延伸感亦變好,空間略微增加,變的更像小一號的 MDR-Z1R ,同時速度感也不像 MDR-Z7 那麼慢,過往宛若家庭劇院般偏向震撼的聲音風格變的更洗鍊、更偏向鑑賞的高級感音色。