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Neumann 纽曼 KMR 82 i 录音话筒
Neumann 纽曼 KMR 82 i 录音话筒
  • 商品货号:YPH001817
    商品库存: 100 只
  • 商品品牌:Neumann 纽曼
    商品重量:0克
  • 上架时间:2014-05-14
    商品点击数:1382
    累计销量:0
  • 市场价格:¥0元
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KMR 81i和KMR 82i强指向话筒

短的型号为KMR 81i,长的型号为KMR 82i。两种型号均能准确拾取角度范围内的频响声音,当话筒在指定范围内跟踪声源移动,能平衡音调。这样,特别适合电视、电影现场拍摄。

用途:

  • 广播、电视、电影现场采访和拍摄拾音;

  • 在噪声环境下录音;

  • 电视演播室现场直播最为舞台拾音。

 

选购指引

 

话筒颜色:

KMR 81i、KMR 82i为镍色,

KMR 81i mt、KMR 82i mt为黑色。

 

 

随话筒附送的附件:

 

KMR 81i 附送WS 81海绵防风罩壹个

KMR 82i 附送WS 82海绵防风罩壹个


The KMR 82 is a shotgun microphone with a high directivity that remains within the acceptance angle independent of the frequency. 

The advantage is that a sound source, for example an actor on stage, will not change its apparent tonal balance when moving within this area.
Applications
Shotgun microphones are particularly useful in recording situations where a microphone cannot be positioned within the desired distance of the sound source to produce a sufficiently loud signal level. 

Typical applications are film and video recordings, where the microphone should not appear in the picture. 

The KMR 82 is very often used on stage.
Acoustic features
In principle, Neumann shotgun microphones use a combination of a pressure gradient transducer and an interference tube. If the wavelength of the frequency is longer than the tube length, the microphones work as pressure gradient transducers. At higher frequencies they operate as interference transducers for lateral sound. Off-axis sound sources are picked up with reduced level, but without coloration. 

Therefore, the microphones are well suited to record individual instruments of an orchestra. The pickup areas of several shotgun microphones may even overlap as, for example, during recordings on a large stage, without causing any problem. 

The KMR 82 is less sensitive to wind and pop noise when compared to the KM 150 miniature microphone with a similar high directivity. The shotgun microphone features extremely low self noise, good impulse response, and high output level.
Polar patterns
The KMR 82 is a shotgun microphone with a very directional characteristic. 

The microphone capsule is positioned inside a housing tube that is acoustically open but has a high flow resistance. The directional pattern of the microphone is lobe shaped. The attenuation of lateral sound is practically independent of the frequency. The KMR 82 has a frequency independent directivity within a pickup angle of 45° for audio signals that determine the tonal balance of the program material.
Filter
Between 2 kHz and 15 kHz the KMR 82 has a boost to compensate for HF transmission losses in air when recording distant sound sources. This may overemphasize any sibilance if the microphone is used close-up. Therefore, a two-position slide switch allows to select the setting that is best for balanced upper frequencies. 

The KMR 82 has a high-pass filter to suppress subsonic interference. The cutoff frequency may be raised to 120 Hz ( - 3 dB) with a built-in two-position slide switch.
Use on location
The shotgun microphone features very high output capability and a remarkably low self-noise level. 

Its low power consumption, light weight, and low sensitivity to wind and handling noise, makes it an ideal tool for news gathering on location. 

Small dimensions, together with a balanced center of gravity, make handling easy without any whiplash effect. 

However, when on location and during strong wind conditions, we recommend using an additional wind screen (included as standard accessory). The wind screen is made of polyurethane foam and also serves as soft padding of the microphone in its leather carrying case. 

For mobile use a handle and an elastic suspension are available.

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