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Earthworks Audio M30 G2 量測麥克風（單支）

Name: Earthworks Audio M30 G2 量測麥克風（單支）
Brand: Earthworks Audio
Price: 31900 TWD
Availability: OutOfStock

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NT$ 31,900

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3 months 0 interest, per month NT$ 10,633

6 months 0 interest, per month NT$ 5,317

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Status: 預購商品 (約 10~15 個工作天)

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Free 1-year Warranty (except all cable, accessories and modulars) (Details)

Warranty Exclusions: Cables, power adapters and other accessories included in the box, Teenage Engineering Pocket Operator series, Modular synthesizers, Behringer HA400/MX400, MIDI Solutions series, microphone stands, hard cases, pedals and other accessories

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NT$ 31,900

Earthworks Audio M30 G2 專業量測等級全指向麥克風：音響系統調校與室內聲學分析的業界標準規格

Earthworks Audio M30 G2 是專為聲學量測、音響系統調校及喇叭設計所打造的高性能自由場（Free-field）參考級麥克風。自 1995 年以來，Earthworks M 系列憑藉其卓越的音訊表現、堅固的機身結構與極高精準度，已成為全球專業音訊領域的權威標準。無論是在大型巡迴演唱會的系統優化、專業錄音室的聲學分析，還是科學實驗室的研究應用，M30 G2 都能提供極其穩定且可重複的測試結果。

與前一代產品相比，全新的 G2 第二代版本在設計上進行了多項關鍵優化。首先，它大幅降低了 Phantom Power 的電流消耗，從原本的 10 mA 降至 7.2 mA，這不僅能有效延長無線發射器的電池續航力，更解決了部分音訊介面（Audio Interface）在同時連接多支麥克風時可能產生的供電不穩問題。此外，M30 G2 調整了 1 kHz 的靈敏度至 -40 dBV/Pa，這讓它在面對市面上主流的音訊介面時具備更好的相容性，避免輸入訊號過載而導致失真，在進行高達 140 dBSPL 的高音壓量測時依然能保持訊號的完整性。

M30 G2 擁有從 5 Hz 到 30 kHz 的寬廣且極度平坦的頻率響應，其快如閃電的脈衝響應（Impulse Response）與精準的相位一致性，確保了時間域與頻域量測的絕對正確。不鏽鋼機身不僅耐用且能抵抗環境溫度與大氣壓力的變化，這意味著無論您在寒冷的演藝廳還是潮濕的戶外場所進行測試，M30 G2 始終能維持一致的效能。每一支 M30 G2 在出廠前皆經過手工調校與測試，並附上專屬的校正表與電子校正檔（ECF），是音響工程師與聲學專家不可或缺的精密工具。

產品特色

寬廣平坦的頻率響應，涵蓋 5 Hz 至 30 kHz 的精準音訊範圍
優異的脈衝響應與線性相位特徵，提供極致的時間域準確性
具備教科書級別的全指向性（Omnidirectional），離軸響應極為均勻
高達 140 dBSPL 的最大聲壓承受能力，無須擔心高強度訊號失真
第二代設計有效降低幻象電源功耗，提升無線系統與介面相容性
機身採用 CNC 精密加工的不鏽鋼材質，結構堅固耐用
具備 IP54 防護等級，能有效防塵防濺，適應各類嚴苛作業環境
每支麥克風均附帶專屬校正曲線圖，確保量測數據的科學嚴謹度
體型更為精巧，較前代縮短約 4 cm，便於收納與配置
全機於美國設計、調校與組裝

詳細規格

換能器類型：Pre-Polarized Condenser
指向性：Omnidirectional
頻率響應 (±1dB)：5 Hz – 30 kHz
低頻切除頻點 (-3dB)：≤ 3 Hz
高頻切除頻點 (-3dB)：≥ 40 kHz
1 kHz 靈敏度 (dBV/Pa)：-40 (±2dB)
1 kHz 靈敏度 (mV/Pa)：10 (±2dB)
最大聲壓輸入：140 dBSPL (P48) / 133 dBSPL (P12)
自信噪比 (A-Weighted)：23 dBSPL
最小負載阻抗：1000 Ohms
電源需求：P48 (48V Phantom Power) / P12 (12V Phantom Power)
電流消耗：7.2 mA (P48) / 4.8 mA (P12)
輸出介面：XLR (pin 2+)
防護等級：IP54
運作溫度範圍：-20° 至 +60° C
產品尺寸：17.8 cm x 2.18 cm
產品重量：140 g
內含配件：MC1 Microphone Clip 麥克風夾、OMW2 Windscreen 防風棉、Carrying Case 攜行盒、Calibration Chart 校正表

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