NT$ 4,200
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ALM Beast’s Chalkboard 雙通道八度切換器／精密電壓加法器 ALM002
Beast’s Chalkboard 是 ALM 為 Eurorack 模組系統所設計的一款經典 CV 工具模組，定位為「雙通道階梯式電壓來源與電壓加法器」，同時也能作為高精度的 buffered mult 使用。雖然它最廣為人知的用途是 VCO 的八度切換器（Octave Switcher），但實際上，Beast’s Chalkboard 的功能遠不止於此。
在模組合成系統中，精準的控制電壓（CV）處理是音準穩定與系統可預測性的關鍵。Beast’s Chalkboard 以 1V 為單位的階梯式電壓設計，每個通道提供從 -2V 到 +2V 的範圍（等同於 5 個八度），讓使用者能快速、直覺地進行音高轉調、序列移調或 VCO 音域管理，而不必依賴旋鈕微調。
每一通道皆配備 兩組 buffered 輸出與一組直通輸出（through output），確保在分配 CV 訊號時維持電壓準確度，不會因負載而產生音準漂移。這使 Beast’s Chalkboard 不僅是一個 octave switcher，也是一個可靠的 精密 CV 分配中心。
模組的上下兩個通道具備 normalization 設計，上方輸入會自動正規化至下方通道，讓單一輸入訊號即可同時影響兩個通道輸出。更進一步，下方的八度切換器可與上方通道串接，將整體電壓範圍延伸至 9 個八度，非常適合需要大範圍音域控制的複雜系統或多振盪器配置。
除了音高控制外，Beast’s Chalkboard 也常被用於 序列轉調（sequence transposition）、FM ratio 建立、多振盪器校正（VCO calibration），甚至在某些情境下作為 1→6 或雙 1→3 的 buffered mult 使用，是一顆高度實用、幾乎每套系統都派得上用場的「工具型模組」。
產品特色
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雙通道階梯式電壓來源與電壓加法器
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每通道提供 1V 為單位的電壓切換，範圍為 -2V 至 +2V（5 個八度）
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專為 VCO 設計的雙通道八度切換器（Octave Switcher）
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每通道具備 2 組 buffered 輸出與 1 組直通輸出
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上方輸入正規化至下方通道，可同時控制雙通道
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下方八度切換器可串接上方通道，延伸至 9 個八度範圍
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可作為 1→6 或雙 1→3 的 precision buffered mult 使用
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適用於序列移調、FM ratio 設定、CV 分配與 VCO 校正
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Skiff friendly 淺機身設計
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英國設計與製造，ALM 經典模組之一
詳細規格
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模組格式：Eurorack
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類型：Dual stepped voltage source / voltage adder / buffered mult
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電壓步進：1V per step
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電壓範圍：-2V ～ +2V（每通道）
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最大延伸範圍：9 octaves（通道串接時）
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輸出：
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每通道 2 × buffered outputs
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每通道 1 × through output
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電源需求：
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+12V：25 mA
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-12V：25 mA
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面板寬度：6 HP
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模組深度：22 mm
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設計與製造：英國
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手冊：提供 PDF Manual 下載
Reviews:
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