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Neumann 纽曼 KM 183 D 数字小振膜录音话筒
Neumann 纽曼 KM 183 D 数字小振膜录音话筒
  • 商品货号:YPH001792
    商品库存: 100 只
  • 商品品牌:Neumann 纽曼
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  • 上架时间:2014-05-13
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纽曼,原名为德文NEUMANN,也就是新人的意思。作为大自然的规律,人总是要变老的,可是纽曼这个名字在专业音频领域里至今已经响亮了79年,却仍保持其声誉,成为一个永葆青春的名字。提起纽曼话筒,在音响领域几乎无人不知、无人不晓。在1923年,一位德国的年轻工程师乔治·纽曼(Georg Neumann)就制成了高质量碳素话筒用于电话通讯,从此开始了他研制话筒的光辉历史。在1928年,纽曼先生正式研制成功了红极一时的纽曼瓶状话筒(图1),这个传统一直延续到脍炙人口的里程碑话筒U47、U67、U87和U89(图2-图6)。从此印有NEUMANN字样的产品铭牌和总部在德国首都柏林纽曼公司也正式问世,纽曼公司的历史时间线从此开始刻录。



 
The Neumann KM A / KM D Miniature Microphone System
The modular KM A / KM D miniature microphone system is a further development of the successful KM 100 series. The newly developed passive capsule design is available with 8 different directional characteristics, and can be combined modularly as desired with an analog (KM A) or digital (KM D) output stage in accordance with the AES 42 standard. The new, considerably smaller microphone capsules and an extensive program of accessories permit excellent adaptation of the microphone system to a wide range of applications. 

Through the use of the most up-to-date electronic components the system offers many electroacoustic and operational advantages, such as lower self-noise, a wider dynamic range and very high immunity to electromagnetic interference. The acoustics of the capsules were taken from the proven KM 100 system. 

Further information on the digital microphone technology and the whole Solution-D system can be downloaded as PDF.
Overview of Microphone Capsules
KK 120: Figure-8
KK 131: Omni (free-field equalized pressure transducer)
KK 133: Omni (diffuse-field equalized pressure transducer/capsule including titanium diaphragm with exceptional acoustic properties)
KK 183: Omni (diffuse-field equalized pressure transducer)
KK 143: Wide-angle cardioid 
KK 145: Cardioid with acoustic bass roll-off in free field
KK 184: Cardioid
KK 185: Hypercardioid
KM A/KM D Output Stage
The KM A analog output stage with P48 phantom power has a switch for pre-attenuation of 10 dB. The microphones can thus handle levels of up to 152 dB (depending on the capsule type). The KM D digital output stage converts the signal from the capsule directly into a digital signal. The result is an AES/EBU signal with 24 bits and a large dynamic range. The integrated digital signal processor (DSP) permits remote control of the microphones, including the digital gain, pre-attenuation (6 dB, 12 dB or 18 dB) and low-cut filter (0 Hz, 40 Hz, 80 Hz or 160 Hz). An integrated peak limiter and compressor/limiter with additional de-esser function prevents any overloading of the audio signal.

The dimensions (diameter 22 mm, length 93 mm) of the analog and digital output stages are identical. As a result, all accessories can be used in combination with both output stages.
Upon request, a mechanical adapter can be supplied to adapt microphone capsules of the KM 100 system (AK series) to the KM A and KM D output stages.

The modular solution permits the microphone capsule to be separated from the output stage by a distance of up to 100 m. The LC 4 microphone cable with a length of 5 or 10 meters is available as a standard solution. Alternatively, capsule extensions of different lengths, swivel joints and stand mounts, etc., can be used for a flexible system setup.

The capsule heads KK 183, KK 184 or KK 185, together with the appropriate output stage, are also available as a set, in which case they are referred to as KM 183 A, KM 183 D, etc.

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