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Schoeps 話筒麥克風 MK 21G 話筒頭 微型話筒 Schoeps MK21
話筒拾音頭 MK 21g 寬心形
寬心形拾音頭在全頻率范圍內具有十分一致的指向性
讓人愜意的聲音效果,常被形容為“溫暖聲”通常適用于點話筒或在全立體聲拾音中用作話筒對
該類型拾音頭的指向性介于全向和心形之間。這種拾音頭的基本設計思想是將心形與全向拾音頭的優勢結合在一起,這樣就能獲得混合了兩種指向特性的拾音模式。它比心形具有更多的低頻響應、更少的近講效應,同時比心形拾音頭更容易拾取到更多的空間聲音。
極性圖表所示MK 21的指向性受頻率影響很小。這與全向拾音頭(指向性隨頻率的升高而加大)和心形(更趨向高頻)形成鮮明的對比。MK 21不需要心形那么嚴格的方向性,因為直達聲到達軸向,同時混響聲或其它離軸聲也可以被正確地再生。缺少偏離軸
向拾取音的染色,就可以制作出“溫暖”、自然的音效。
雖然M/S擺放模式通常是很成功的,對于X/Y模式的應用,這種類型話筒的低指向性可以防止產生強度很大的電平差異。
繼心形和超心形,這種話筒是我們所有話筒中的首選。
長度:22mm
直徑:20mm
重量:17g
MK 21 MICROPHONE CAPSULE
PROPERTIES
wide cardioid
preferred uses: as a soloist microphone or main microphone
extremely consistent polar response leads to a very natural sound
combines the advantages of the omni (warm sound) and the cardioid (directivity)
popular as a main microphone pair e.g. at a spacing of 30 cm, angle +/- 45°
DESCRIPTION
The directivity of the wide cardioid lies between the omni and the cardioid. The idea behind their development is to combine the advantages of these two patterns. The low-frequency behaviour of the MK 21 is better than that of the cardioid, and proximity effect is less pronounced. The wide cardioid polar pattern is extremely consistent across the frequency range. Laterally-arriving direct sound and reflections are picked up without added coloration. The MK 21 is a very well-liked capsule. It is preferred when a slight directional effect and a warm, natural sound image are desired. Over the years it has become an integral part of the audio engineer's toolkit.
PRACTICE
When used as a spot microphone, the distance from the sound source should be slightly smaller than when using a cardioid due to lower directivity index.
The low directivity of this capsule type prevents it from generating large enough level differences for X/Y use, though MS and near-coincident spacings are often successful.
TECHNICAL SPECIFICATIONS
Pickup pattern
Wide Cardioid
Frequency range : 30 Hz - 29 kHz with CMC 6 / CMR 30 Hz - 44 kHz with CMC 6xt
Sensitivity : -37 dB (V/Pa), 14 mV/Pa with CMC 6
Equivalent noise level (A-weighted) : 13 dB with CMC 6
Equivalent noise level (CCIR) : 23 dB with CMC 6
Signal-to-noise ratio (A-weighted) : 81 dB with CMC 6
Maximum sound pressure level (THD < 0.5 %) : 131 dB-SPL with CMC 6
Length : 22 mm
Diameter : 20 mm
Weight : 17 g
Surface finish : matte gray (g) or custom color