ไมโครโฟน ยี่ห้อ Audio-Technica รุ่น AT846/C
The AT846/C is a wide-range condenser microphone with a unidirectional polar pattern. It is designed for unobtrusive table, ceiling or panel-mounted applications for high-quality sound reinforcement, teleconferencing, professional recording, television and other demanding sound pickup applications.
The AT846/C is equipped with UniGuard® RFI-shielding technology, which offers outstanding rejection of radio frequency interference (RFI). The microphone is RoHS compliant – free from all substances specified in the EU directive on hazardous substances.
The microphone should be placed on a flat, unobstructed mounting surface. The small diameter capsule near the boundary eliminates phase distortion and delivers clear, high-output performance.
The microphone requires 11V to 52V phantom power for operation. The microphone is enclosed in a heavy-duty die-cast case and protected by a two-layer steel mesh grille. The low-profile housing has a low-reflectance black finish. Isolators are included with the microphone for optional mechanical isolation from the mounting surface.
To mount the AT846/C in a ceiling or table top without the isolators, a 20.5 mm diameter hole is required. To mount the AT846/C with the isolators, a 23.5 mm hole is required. Place the isolators on either side of the hole to achieve mechanical isolation from the mounting surface. The small cardioid circle on the AT846/C bezel indicates the “front” of the microphone.
Specifications
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Element
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Fixed-charge back plate, permanently polarized condenser
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Polar Pattern
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Unidirectional (Cardioid in hemisphere above mounting surface)
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Frequency Response
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60 ~ 20,000 Hz
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Open Circuit Sensitivity
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-37 dB (14.1 mV) re 1V at 1 Pa
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Impedance
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100 Ω
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Maximum Input Sound Level
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134 dB SPL, 1 kHz at 1% T.H.D.
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Signal-To-Noise Ratio
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>66 dB, 1 kHz at 1 Pa
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Phantom Power
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11~52V DC, 2 mA typical
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Weight
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48 g
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Dimensions
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64.6mm x 30.0 mm (Long X Diameter)
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Output Connector
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Integral 3-pin XLRM-type
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Accessories Furnished
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One pair isolators
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