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ChH
關於 EX 系列
EX 系列裝備有先鋒牌旗艦 TAD 揚聲器系列背後的多種技術訣竅,是為推出同一價位中最佳揚聲器而開發的。
EX 列的設計和產品是提供先鋒牌揚聲器最佳技術的國際性努力的結果。
S-4EX 背後的技術
CST
該系統的核心驅動器是引進 TAD 所用技術的相干源轉換器
CST 高音揚聲器的振動膜集中安裝於中高音圓錐體的頂端內
能提供
400 Hz 100 kHz聲音的點源 相干源轉換器CST
能確保到達聆聽者耳朵的直接聲音和反射聲音完全保持頻譜平
衡,使更加一致的聲音遍及房內,並提高想象能力。
陶瓷石墨振動膜
CST 高音揚聲器的特點是採用陶瓷石墨振動膜,具有最高的強度
和緩衝特性是高端揚聲器系統現在所用的其他材料望塵莫及
陶瓷石墨的輕巧和非凡強度相結合,使揚聲器振動膜的諧振擴
到遠遠超過其可聞範圍。
鎂合金振動膜
CST 中高音揚聲器採用鎂合金振動膜,其特性輕巧和高內部損失
能使播放的中高音具有優異的瞬變現象和最小的顯色作用。
低音驅動器
如下圖所示低音驅動器起到 S-4EX 揚聲器系統的基本作用。 驅動
器的強度是採用阿拉米德/碳複合材料的結果這是在開發
S-1EX
時獨創來用於其振動膜的。先鋒獨家 LDMC 磁路技術已經被裝備
來從低輸出電平到高輸出電平都保持線性並減少失真。
低音揚聲器外殼構造
S-4EX 的獨特形狀是基於邏輯上的需要 為了使從 CST 低音驅
動器傳來的聲音到達時間同步,各驅動器上都裝有一個擾流器,
以使其產生被稱為 精密曲線”的非常細緻的曲線 請參閱下
圖)。此擾流器由
65 mm 厚的 MDF (中等密度纖維板)製成,
有足夠的強度承受驅動器的力
此外低音孔是用極厚的 MDF
塊雕刻出來的。其結果,風噪音大為減少低音更加清晰低沉。
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S-4EX_ChH.book 4 ページ 2008年7月16日 水曜日 午後2時14分
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