Bohumin(發音:bo’xumin)是 Xaoc Devices 為旗下全立體聲混音模組 Ostrawa 所設計的專用擴充模組(Expander)。透過 Bohumin 的連接,Ostrawa 不僅能在原本的混音架構上進一步擴展,還能獲得 第二組完整的立體聲 AUX 效果匯流排(AUX B),並為每一個立體聲輸入通道提供 可由 CV 控制的效果送出比例,讓整個 Eurorack 混音系統在空間處理、效果動態與自動化層面上更為靈活。
在許多模組化系統中,AUX 效果通常只能以手動方式設定,或僅提供單聲道、無電壓控制的簡化設計。Bohumin 的定位正是補足這一缺口:它將傳統錄音室混音台中「可電壓控制的 AUX Send 與 Return」概念,完整帶入 Eurorack 系統之中,並且維持 Ostrawa 一貫的全立體聲音訊路徑。
Bohumin 為 Ostrawa 新增的 AUX B 不僅支援立體聲送出與回收,還在每個輸入通道上提供獨立的 CV 控制輸入,讓你能以 Envelope、LFO、隨機電壓或 Sequencer,即時調變效果量。這在實際應用中,特別適合用於 Reverb、Delay、Granular 或任何時間型與空間型效果的動態控制,讓效果不再只是「固定存在」,而是成為音樂結構的一部分。
除了新增 AUX B 之外,Bohumin 也貼心地整合了 AUX A 與 AUX B 的立體聲 Return 音量衰減控制(Attenuator)。需注意的是,AUX A 的 Send 與 Return 插孔仍設置於 Ostrawa 本體上,而 Bohumin 則負責 Return 電平的手動調整,讓使用者在效果回收階段能有更精細的混音掌控。
另一項實用且偏向「混音工程導向」的功能,是 四組 Gate 控制輸入,用於每一組立體聲輸入通道的 clickless mute(無爆音靜音)。透過 Gate 訊號,你可以在不產生點擊聲或爆音的情況下,自動化開關各個通道,無論是節奏段落切換、即時編排,或與外部 Sequencer 搭配的動態混音,都能維持乾淨、專業的音訊品質。
產品特色
專為 Xaoc Devices Ostrawa 全立體聲混音模組設計的擴充模組
新增第二組完整立體聲 AUX 效果匯流排(AUX B)
每一立體聲輸入通道皆可透過 CV 控制 AUX B 送出量
全立體聲 AUX Send 與 Return 架構,維持音場完整性
內建 AUX A 與 AUX B 的立體聲 Return 音量衰減控制
四組 Gate 輸入,實現無爆音(clickless)的自動化通道靜音
適合搭配 Reverb、Delay、Granular 等效果模組進行動態控制
將錄音室混音台的 AUX 操作邏輯導入 Eurorack 系統
詳細規格
模組類型:Ostrawa 專用 Expander
相容系統:Eurorack
功能
第二組立體聲 AUX 效果迴路(AUX B)
立體聲 AUX Send 與 Return
AUX B Send 的 CV 控制輸入(每通道)
AUX A 與 AUX B 的立體聲 Return Attenuator
4 組 Gate 控制輸入,用於 clickless channel muting
面板寬度:10 HP
模組深度:約 31 mm(含排線與固定支架)
耗電量
+12V:50 mA
−12V:40 mA
電源保護:Reverse power protection(反接保護)
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