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Doepfer A-188-9 High Speed VCO 震盪器模組

Name: Doepfer A-188-9 High Speed VCO 震盪器模組
Brand: Doepfer
Price: 5600 TWD
Availability: InStock

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NT$ 5,600

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Installment Info: (Details )

3 months 0 interest, per month NT$ 1,867

6 months 0 interest, per month NT$ 933

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NT$ 5,600

Doepfer A-188-9 高速 VCO 與音訊振盪器模組：Karplus-Strong 合成的核心驅動源

Doepfer A-188-9 是一款特殊「高速 VCO」（High Speed VCO），其開發初衷是為了提供一個超高頻率的時脈源，用以精確驅動 BBD（Bucket Brigade Device）延遲模組，例如同系列的 A-188-1 或 A-188-2。在音訊處理與物理建模（Physical Modeling）領域中，這款模組是實現高品質 Karplus-Strong 合成技術的關鍵組件。它能夠在 15kHz 至 500kHz 的極高頻率範圍內精確追蹤 1V/oct 電壓標準，確保在極短延遲時間下依然能維持穩定的音高表現。

除了作為高速時脈源，A-188-9 本質上也是一個高品質的類比音訊 VCO。它內部由一個精密音訊 VCO 與一個 PLL（鎖相迴路）倍頻單元組成，PLL 會將音訊 VCO 的頻率乘以 32 倍以產生高速輸出。這意謂著當您將其切換至標準音訊模式時，它具備完整的鋸齒波（Sawtooth）、三角波（Triangle）以及具備脈衝寬度調變（PWM）功能的矩形波（Rectangle）輸出。這種雙重特性使得 A-188-9 不僅能驅動 BBD，還能與數位雜訊（Digital Noise）、取樣機、頻率除法器或其他具備高速輸入介面的數位模組協同運作。

產品特色

具備 1V/oct 精確追蹤能力的高速 VCO
專為 BBD 模組設計，可完美實現 Karplus-Strong 物理建模合成
內建 PLL 鎖相迴路技術，可將音訊頻率倍增 32 倍
具備雙重模式切換：標準音訊 VCO 模式與高速 HSVCO 模式
提供多樣化輸出波形：鋸齒波、三角波、可調脈寬矩形波
提供三段 Slew 時序切換，可細微調整頻率反應速度
極寬廣的頻率覆蓋範圍，最高可達 500kHz
適合與數位延遲、數位雜訊模組或其他需要高頻時脈的設備連接
窄身 4HP 設計，節省機箱空間

詳細規格

模組類型：High Speed VCO / Audio VCO
寬度：4 HP
深度：20 mm
消耗電流：+12V 為 30mA / -12V 為 15mA
頻率範圍 (HSVCO 模式 - HSVCO 輸出)：約 13kHz 至 450kHz (無外部 CV 時)
頻率範圍 (HSVCO 模式 - VCO 輸出)：約 400Hz 至 14kHz (無外部 CV 時)
頻率範圍 (VCO 模式 - VCO 輸出)：約 12Hz 至 400Hz (無外部 CV 時)
頻率追蹤：1V/oct
音訊 VCO 輸出波形：Sawtooth (鋸齒波), Triangle (三角波), Rectangle (矩形波，具備可調 PW)
高速 VCO 輸出波形：Rectangle (矩形波)
音訊 VCO 輸出電位：約 7Vpp (-3.5V 至 +3.5V)
高速 VCO 輸出電位：約 5Vpp (-2.5V 至 +2.5V)
控制功能：Frq (粗調), Fine (細調), CV (衰減器), PW (脈衝寬度)
輸入介面：1V/oct, CV (具備衰減器)
輸出介面：Sawtooth, Triangle, Rectangle, High Speed VCO (Rectangle)
切換開關：Range (切換 VCO/HSVCO), Slew (切換 Short/Medium/Long)
尺寸與重量：寬約 2.03 cm / 高約 12.85 cm / 重量約 60 g

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